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Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
Javascript and JQuery March 2008
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Javascript and JQuery March 2008

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  • 1. JavaScript and jQuery John Resig - March 2008 ACM Northeastern University
  • 2. JavaScript Language ✦ Basics ✦ Functions ✦ Function Prototypes ✦ Closures
  • 3. The Basics ✦ Most akin to most other major languages ✦ Looping: for ( var i = 0; i 10; i++ ) {} // array for ( var i in obj ) // obj property/value while ( true ) {} ✦ Statements: if ( true ) {}
  • 4. Variable Declaration ✦ Variable declaration: var foo = “bar”; ✦ Variables are scoped to the function, not to the block ✦ function test(){ for ( var i = 0; i 10; i++ ) {} return i; } test() == 10

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