Javascript libraries are relatively new, but they’re already everywhere. Almost every major website has some type of library in use (Facebook - Scriptaculous, Amazon - jQuery, Apple - Scriptaculous, Google - jQuery, Digg - jQuery, blah blah blah). With the way that this trend is going, some ground rules need to be laid.

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jQuery is basically amazing. It’s no-brainer syntax makes it incredibly easy to learn, and it’s chaining cuts tons of would-be Javascript into one or two lines. As an example of this, let me show how you stupidly easy it is to make a really slick, totally useful Ajax contact form using jQuery.

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