jQuery: Visual QuickStart Guide Peachpit Press; 1 edition (July 10, 2009) | ISBN: 0321647491 | 538 pages | PDF | 2 MB jQuery is a popular JavaScript library that simplifies event handling, animating, and Ajax interactions for rapid web development. Many companies are using jQuery including: Amazon, Google, Twitter, Bank of America, BBC, ESPN, CBS News, Digg, Reuters, IBM, Netflix, Dell, Oracle, Slashdot, Tecnorati, and Intuit.