jsppt-130805114623-phpapp02.pdf - JAVASCRIPT What is...

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JAVASCRIPT What is JavaScript? JavaScript is a programming language designed for Web pages
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History First web scripting language Developed by Netscape and Sun Initiated by Netscape and called LiveScript In parallel with this, Sun was developing Java
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Why Use JavaScript? JavaScript enhances Web pages with dynamic and interactive features. JavaScript runs in client software. JavaScript 1.3 works with version 4.0 browsers.
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What can a JavaScript Do? JavaScript gives HTML designers a programming tool. JavaScript can react to events. Validate data. It can be used to detect the visitor's browser Create cookies. Read/write/modify HTML elements
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JavaScript Terminology. JavaScript programming uses specialized terminology. Understanding JavaScript terms is fundamental to understanding the script. Objects, Properties, Methods, Events, Functions, Values, Variables, Expressions, Operators.
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Objects Objects refers to windows, documents, images, tables, forms, buttons or links, etc.
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