jQuery is a new kind of JavaScript Library.

jQuery is a fast and concise JavaScript Library that simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development. jQuery is designed to change the way that you write JavaScript.

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Current Release: v1.8.3

Learn jQuery Now!

What does jQuery code look like? Here's the quick and dirty:

$("p.neat").addClass("ohmy").show("slow");
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Congratulations! You just ran a snippet of jQuery code. Wasn't that easy? There's lots of example code throughout the documentation on this site. Be sure to give all the code a test run to see what happens.