JavaScript Library

Shyamala PrayagaMay 2009

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Agenda

• JavaScript Libraries – what, why.

• Advantages/Disadvantages.

• Commonly used Libraries.

• Features/Controls.

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What are JavaScript Libraries?

Definition

• A collection of JavaScript code– Commonly used functions, shortcuts, and animation effects– Extend the nature of JavaScript– Data manipulation helpers– User Interface elements

• Released and maintained by an individual, group or company.

• Licensed to users.

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Advantages

• Quick and Easy

• No need to be a master

• Cross-browser compatible

• No reinventing the wheel

• Code maintenance

• Reduced programming hours

• Mixed libraries

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Disadvantages

• No control

• Can become a crutch

• Can be limited

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Features

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Drag and Drop

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AutoComplete

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Modal Dialog

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TreeGrid

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Tabbed Pane

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Date Picker

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Slider

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More

• Color Picker

• Accordion

• WYSIWYG

• Data Grid

• Edit in place

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Commonly used Libraries

• Prototype

• Yahoo UI

• Jquery

• Dojo

• Scriptaculous

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Popularity and Usage

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Comparison

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Browser Support

• All Libraries support

IE 6+, Firefox 2+, Safari 2+, Opera 9+

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Questions?