session 3 java script
TRANSCRIPT
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W
Prepared and presented by : Muhammad Hesham & Mustafa Saeed
Aspiration Webbers Session 3 (Java Script)
A
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1.Reko meet JS (Brief history)
2.JS types3.JS syntax4.JS condetions
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Java Script
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Java Script
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Types of typing JS Code
Internal
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Types of typing JS Code
External
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<!DOCTYPE html><html>
<head> <meta charset="UTF-8”> <title>java Script Demo</title> < script ></script></head>
src=“scripts.js"
External
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<script>
</script>
function changeParagrapgh() { document.getElementById("firstpar").innerHTML = "JavaScript Paragraph."; }
Internal Head <!DOCTYPE html><html><head> <meta charset="UTF-8”> <title>java Script Demo</title> < script src=“scripts.js"></script>
</head>
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<body><script>
</script></body>
function changeParagrapgh() { document.getElementById("firstpar").innerHTML = "JavaScript Paragraph."; }
<!DOCTYPE html><html><head> <meta charset="UTF-8”> <title>java Script Demo</title> < script src=“scripts.js"></script></head>
Internal Body
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Strength Of Script
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Strength of External <script src="test.js"></script>
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External JSInternal JS
<body><script> function changeParagrapgh() { document.getElementById("firstpar").innerHTML = "JavaScript Paragraph."; } </script></body>
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Best Place
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Syntax
var x = 20 ; var y == 30; var z === 10 ;
varvar
;;,,
// Comment Variables Comments
/*Commentscomment
*/
var name= “Reko” ; var reko= ‘name’ ;
var x = 20 y = 30 z = 10 ;
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Data type var x = 20 ; Number
boolean var x = True ; String var x = “name” ;
var x = False ;
array var family = [ father , mother , sister ] ; Object var info= { firstname:” Reko“, age: 32 } ;
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variables
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Operators Addition+Subtraction-Multiplication*Division/Modulus%Increment
Decrement
++- -
var x = 2010% ;
var x = 2010- ; var x = 2010* ; var x = 2010/ ;
var x = 2010+ ;
x++; x--; var x =
var x =20-- ;20 ;
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Function
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if
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Switch
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For … Loop
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While ..Loop
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Break
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Demo
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Demo
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Any Questions
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Thank you