progressive enhancement & mobile [funka 2012]
DESCRIPTION
The concept of progressive enhancement is the way forward for web design, especially on mobile devices. Aaron Gustafson shows you how the latest techniques - mobile first, responsive design, and adaptive UI - fit in to the process.TRANSCRIPT
![Page 1: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/1.jpg)
PROGRESSIVEENHANCEMENT
Aaron GustafsonaarongustafsonslidesharenetAaronGustafson
ampMOBILE
BROWSERS ARE A PAIN IN THE ASS
AND THEN THERErsquoSMOBILE
copy Brad Frost
copy Brad Frost
WHAT IS MOBILE
WHAT IS MOBILE
ldquoThere is no WebKit on Mobile
mdash Peter-Paul Koch
WebKit vs Acid3
httpwwwquirksmodeorgwebkit_mobilehtml
Surely therersquos platform
consistency
ldquoThere is no Androidmdash Stephanie Rieger
httpyfrogcomzob5kndj
BUT ANDROIDIS NOT UNIQUE
IN THIS
THE CULPRITSSCREEN SIZE
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 2: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/2.jpg)
BROWSERS ARE A PAIN IN THE ASS
AND THEN THERErsquoSMOBILE
copy Brad Frost
copy Brad Frost
WHAT IS MOBILE
WHAT IS MOBILE
ldquoThere is no WebKit on Mobile
mdash Peter-Paul Koch
WebKit vs Acid3
httpwwwquirksmodeorgwebkit_mobilehtml
Surely therersquos platform
consistency
ldquoThere is no Androidmdash Stephanie Rieger
httpyfrogcomzob5kndj
BUT ANDROIDIS NOT UNIQUE
IN THIS
THE CULPRITSSCREEN SIZE
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 3: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/3.jpg)
AND THEN THERErsquoSMOBILE
copy Brad Frost
copy Brad Frost
WHAT IS MOBILE
WHAT IS MOBILE
ldquoThere is no WebKit on Mobile
mdash Peter-Paul Koch
WebKit vs Acid3
httpwwwquirksmodeorgwebkit_mobilehtml
Surely therersquos platform
consistency
ldquoThere is no Androidmdash Stephanie Rieger
httpyfrogcomzob5kndj
BUT ANDROIDIS NOT UNIQUE
IN THIS
THE CULPRITSSCREEN SIZE
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 4: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/4.jpg)
copy Brad Frost
copy Brad Frost
WHAT IS MOBILE
WHAT IS MOBILE
ldquoThere is no WebKit on Mobile
mdash Peter-Paul Koch
WebKit vs Acid3
httpwwwquirksmodeorgwebkit_mobilehtml
Surely therersquos platform
consistency
ldquoThere is no Androidmdash Stephanie Rieger
httpyfrogcomzob5kndj
BUT ANDROIDIS NOT UNIQUE
IN THIS
THE CULPRITSSCREEN SIZE
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 5: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/5.jpg)
copy Brad Frost
WHAT IS MOBILE
WHAT IS MOBILE
ldquoThere is no WebKit on Mobile
mdash Peter-Paul Koch
WebKit vs Acid3
httpwwwquirksmodeorgwebkit_mobilehtml
Surely therersquos platform
consistency
ldquoThere is no Androidmdash Stephanie Rieger
httpyfrogcomzob5kndj
BUT ANDROIDIS NOT UNIQUE
IN THIS
THE CULPRITSSCREEN SIZE
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 6: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/6.jpg)
WHAT IS MOBILE
WHAT IS MOBILE
ldquoThere is no WebKit on Mobile
mdash Peter-Paul Koch
WebKit vs Acid3
httpwwwquirksmodeorgwebkit_mobilehtml
Surely therersquos platform
consistency
ldquoThere is no Androidmdash Stephanie Rieger
httpyfrogcomzob5kndj
BUT ANDROIDIS NOT UNIQUE
IN THIS
THE CULPRITSSCREEN SIZE
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 7: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/7.jpg)
WHAT IS MOBILE
ldquoThere is no WebKit on Mobile
mdash Peter-Paul Koch
WebKit vs Acid3
httpwwwquirksmodeorgwebkit_mobilehtml
Surely therersquos platform
consistency
ldquoThere is no Androidmdash Stephanie Rieger
httpyfrogcomzob5kndj
BUT ANDROIDIS NOT UNIQUE
IN THIS
THE CULPRITSSCREEN SIZE
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 8: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/8.jpg)
ldquoThere is no WebKit on Mobile
mdash Peter-Paul Koch
WebKit vs Acid3
httpwwwquirksmodeorgwebkit_mobilehtml
Surely therersquos platform
consistency
ldquoThere is no Androidmdash Stephanie Rieger
httpyfrogcomzob5kndj
BUT ANDROIDIS NOT UNIQUE
IN THIS
THE CULPRITSSCREEN SIZE
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 9: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/9.jpg)
WebKit vs Acid3
httpwwwquirksmodeorgwebkit_mobilehtml
Surely therersquos platform
consistency
ldquoThere is no Androidmdash Stephanie Rieger
httpyfrogcomzob5kndj
BUT ANDROIDIS NOT UNIQUE
IN THIS
THE CULPRITSSCREEN SIZE
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 10: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/10.jpg)
Surely therersquos platform
consistency
ldquoThere is no Androidmdash Stephanie Rieger
httpyfrogcomzob5kndj
BUT ANDROIDIS NOT UNIQUE
IN THIS
THE CULPRITSSCREEN SIZE
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 11: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/11.jpg)
ldquoThere is no Androidmdash Stephanie Rieger
httpyfrogcomzob5kndj
BUT ANDROIDIS NOT UNIQUE
IN THIS
THE CULPRITSSCREEN SIZE
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 12: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/12.jpg)
httpyfrogcomzob5kndj
BUT ANDROIDIS NOT UNIQUE
IN THIS
THE CULPRITSSCREEN SIZE
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 13: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/13.jpg)
BUT ANDROIDIS NOT UNIQUE
IN THIS
THE CULPRITSSCREEN SIZE
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 14: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/14.jpg)
THE CULPRITSSCREEN SIZE
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 15: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/15.jpg)
THE CULPRITSEMBEDDED VIEWS
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 16: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/16.jpg)
THE CULPRITSBROWSER CHROME
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 17: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/17.jpg)
THE CULPRITSZOOM LEVEL
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 18: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/18.jpg)
THE CULPRITSZOOM LEVEL(Ok this onersquos on Android)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 19: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/19.jpg)
WHAT IS MOBILE
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 20: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/20.jpg)
ldquoThe commoditization of smartphone hardware is just the beginning hellip of a huge new wave of cheap devices about to invade our livesmdasha zombie apocalypse of electronics if you will
mdash Scott Jenson
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 21: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/21.jpg)
Umhellip I think Irsquoll just build an iPhone app
kthxbye
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 22: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/22.jpg)
NATIVEvs
WEB
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 23: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/23.jpg)
NATIVEvs
WEB
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 24: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/24.jpg)
copy Brad Frost
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 25: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/25.jpg)
copy Brad Frost
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 26: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/26.jpg)
WE DONrsquoT KNOW
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 27: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/27.jpg)
EVEN WHENWE THINKWE KNOW
WE AREPROBABLY
WRONG
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 28: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/28.jpg)
SO HOW DO WE COPE
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 29: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/29.jpg)
PROGRESSIVE ENHANCEMENT
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 30: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/30.jpg)
TECHNOLOGICALRESTRICTIONS
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 31: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/31.jpg)
MCMLXXVII(thatrsquos 1977)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 32: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/32.jpg)
HTML CSS
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 33: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/33.jpg)
fault tolerancen a systemrsquos ability to continue to operate when it encounters and unexpected error
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 34: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/34.jpg)
BROWSERS IGNORE WHAT
THEY DONrsquoT UNDERSTAND
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 35: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/35.jpg)
I like an escalator because an escalator can never breakit can only become stairs
mdash Mitch Hedberg
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 36: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/36.jpg)
an electric toothbrush can never break it can only become a toothbrush
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 37: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/37.jpg)
a dynamic web page can never break it can only become a web page
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 38: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/38.jpg)
GRACEFULDEGRADATION
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 39: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/39.jpg)
MODERN BROWSERS
OLDER BROWSERS
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 40: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/40.jpg)
PROGRESSIVE ENHANCEMENT
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 41: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/41.jpg)
CONTENT
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 42: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/42.jpg)
ACCESSIBILITY
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 43: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/43.jpg)
ldquoSPECIAL NEEDSrdquo
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 44: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/44.jpg)
CAN BECONTEXTUAL
ldquoSPECIAL NEEDSrdquo
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 45: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/45.jpg)
GRACEFUL DEGRADATION PROGRESSIVEENHANCEMENT
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 46: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/46.jpg)
OOOH SHINY
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 47: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/47.jpg)
PROGRESSIVE ENHANCEMENT
ISNrsquoT ABOUT BROWSERS
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 48: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/48.jpg)
BROWSERS AND TECHNOLOGIES COME AND GO
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 49: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/49.jpg)
DONrsquoT LOSE SIGHT OF YOUR USERS
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 50: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/50.jpg)
NEWER OLDER
Use
r Exp
erie
nce
Browser Age
Graceful Degradation
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 51: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/51.jpg)
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Progressive Enhancement
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 52: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/52.jpg)
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 53: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/53.jpg)
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 54: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/54.jpg)
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 55: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/55.jpg)
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 56: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/56.jpg)
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Content
Semantics
Design
Interactivity
Accessibility
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 57: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/57.jpg)
BASIC ADVANCED
Use
r Exp
erie
nce
Browser amp Device Capabilities
Text amp HTTP
HTML
CSS
JavaScript
ARIA
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 58: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/58.jpg)
HTML
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 59: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/59.jpg)
HTMLHTML5
Microformats
HTML4
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 60: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/60.jpg)
EXAMPLES
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 61: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/61.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
Semantics 101ltpgtHTML5 introduces several ltemgtreallyltemgt useful elements and a ton of new APIsltpgt
ltpgtPlease fill out the form below ltstronggtNote all fields are requiredltstronggtltpgt
ltpgtI like to work with markup languages because ltstronggtthey are simple and easy to readltstronggt They also have that certain lti lang=fr title=I donamp8217t know whatgtje ne sais quoiltigtltpgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 62: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/62.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltvideo poster=rdquoposterpngrdquogt ltsource src=rdquovideom4vrdquogt ltsource src=rdquovideowebmrdquogt ltsource src=rdquovideoogvrdquogt ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgtltvideogt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 63: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/63.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML
ltimg src=rdquoposterpngrdquo alt=rdquordquogt ltulgt ltligtlta href=videom4vgtDownload MP4ltagtltligt ltligtlta href=videowebmgtDownload WebMltagtltligt ltligtlta href=video ogvgtDownload Oggltagtltligt ltulgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 64: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/64.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTMLltinput type=date name=dobgt
I get it I donrsquot get it -(
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 65: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/65.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with Microformatsltsection class=vcardgt ltfiguregt ltimg class=photo src=aaron-gustafsonjpg alt=gt ltfiguregt lth1 class=fngtAaron Gustafsonlth1gt hellip ltpgtAaron hellip is ltb class=rolegtGroup Managerltbgt of the lta class=org href=httpwebstandardsorggtWeb Standards Project (WaSP)ltagt hellipltpgtltsectiongt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 66: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/66.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with HTML amp ARIAltheader role=rdquobannerrdquogt lth1gtltimg src=ilogopnggtlth1gt ltnav role=rdquonavigationrdquogt ltolgt ltligtlta href=detailsgtDetailsltagtltligt ltligtlta href=schedulegtScheduleltagtltligt ltligtlta href=instructorsgtInstructorsltagtltligt ltligtlta href=lodginggtLodgingltagtltligt ltligtlta href=locationgtLocationltagtltligt ltolgt ltnavgtltheadergt
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 67: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/67.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
These are the droids you seekltspan role=buttongtOKltspangt
ltdiv role=alertgt ltpgtSomething went wrongltpgtltdivgt
ltdiv role=alertdialoggt ltpgtSomething went wrongltpgt ltimg src=xpng alt=dismiss role=button gtltdivgt
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 68: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/68.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 69: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/69.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 70: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/70.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 71: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/71.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors
p color red font-weight bold
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 72: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/72.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsp color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 73: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/73.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorshtml[lang] p color ccc color rgba( 0 0 0 5 )
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 74: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/74.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errors-moz-document url-prefix() html[lang] p color ccc color rgba( 0 0 0 5 )
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 75: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/75.jpg)
intro Basic Layout
body[id=css-zen-garden] intro Advanced Layout
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 76: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/76.jpg)
intro Basic Layout
[foo] intro Advanced Layout
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 77: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/77.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
Parsing errorsimport not-for-IE7-or-belowcss screen
media screen print refrigerator IE will get these rules
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 78: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/78.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocksmedia screen Styles for screen media only
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 79: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/79.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
Media blocks+media screen and (max-width450px) Styles for screen media when browser is 450px wide or below
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 80: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/80.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
Donrsquot do thismedia screen and (min-device-width1024px) and (max-width989px) screen and (max-device-width480px) screen and (max-device-width480px) and (orientationlandscape) screen and (min-device-width481px) and (orientationportrait) Layout for narrower desktop (below 990px) or iPhone running iOS 3 (or equivalent) or iPhone running iOS 4 (or equivalent) in ldquolandscaperdquo view or iPad (or equivalent) in ldquoportraitrdquo view
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 81: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/81.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media queries Universal Layout
media screen Styles for all screens
media screen and (min-width481px) Styles for all screens 480px+ width
media screen and (min-width754px) Styles for all screens 754px+ width
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 82: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/82.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
Mobile First w media querieshd background url(hd-bg-smallpng) repeat-x 50 50hd logo a background url(logo-smallpng) no-repeat 50 0 display block width 240px height 109px hellip media screen and (min-width 481px) hd background url(hd-bgpng) no-repeat 50 52px hd logo a background-image url(logopng) width 342px height 155px
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 83: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/83.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 84: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/84.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 85: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/85.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltinput class=tweet-counter value=140 disabled=disabledgt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 86: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/86.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan id=chars_left_notice class=numericgt ltstrong id=status-field-char-counter class=char-countergt140ltstronggtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 87: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/87.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
hidden position absolute left minus999em
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 88: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/88.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript
ltspan class=tweet-countergtmaximum of 140 charactersltspangt
ltspan class=tweet-countergt140 ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 89: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/89.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
ltspan aria-live=polite aria-atomic=true class=tweet-countergt140ltb class=hiddengt characters remainingltbgtltspangt
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 90: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/90.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 91: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/91.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 92: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/92.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=applicationaria-activedescendant=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 93: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/93.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tablist
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 94: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/94.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=truearia-controls=folder-1
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 95: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/95.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIArole=tabaria-selected=falsearia-controls=folder-4
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 96: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/96.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
role=tabpanelaria-hidden=falsearia-labelledby=folder-1-tab
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 97: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/97.jpg)
PROGRESSIVE ENHANCEMENT amp MOBILE
PE with JavaScript amp ARIA
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 98: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/98.jpg)
Text amp HTTP
HTML
CSS
JavaScript
ARIA
Availablenowfrom
easy-readersnet
or me for150 SEK
Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
![Page 99: Progressive Enhancement & Mobile [Funka 2012]](https://reader033.vdocuments.us/reader033/viewer/2022051613/54c70c614a7959e62f8b4619/html5/thumbnails/99.jpg)
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Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745
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Progressive Enhancementamp Mobileby Aaron GustafsonAaronGustafson
Further readinghttpadaptivewebdesigninfo
httpblogeasy-designsnethttpmobilewebbestpracticescom
Slides available athttpslidesharenetAaronGustafson
This presentation is licensed underCreative Commons
Attribution-Noncommercial-Share Alike 30except where otherwise noted
flickr Photo Creditshttpwwwickrcomphotosaarongustafsongalleries72157629846428745