INTRODUCING JQUERYThe Write Less, Do More JavaScript Library
Working Server Side
Pros and Cons of JavaScript
Pros and Cons of jQuery
jQuery to the Rescue
JavaScript library Developed and tested to be cross-
browser compatible Easily traverses DOM using CSS
selectors Can use Google or Microsoft CDN for fast
download and caching
jQuery Advantages
Free Open Source Software Fully documented Builds on existing knowledge of CSS Huge community Many plugins
jQuery UI
Powerful set of plugins and themes Complete widgets Low-level interactions Theme easily customized to match your site
Keys to jQuery Syntax
jQuery is JavaScript Start jQuery calls with $ Use CSS selector syntax to refer to
document elements Chain multiple jQuery calls together
using dot syntax
Examples
Accordian-style FAQ Slide show Form validation Dialog box with jQuery UI Goal tracking dashboard
Things to watch for
How to include jQuery on a web page Using selector syntax Chaining Using a jQuery plug-in
Resources
http://jquery.com/ http://tinyurl.com/jQueryVideos http://weblogs.asp.net/scottgu/archive/2
009/09/15/announcing-the-microsoft-ajax-cdn.aspx
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