Ajax (asynchronous JavaScript and XML) is a technology that allows for for highly-interactive and responsive browser-based applications. By leveraging the XMLHttpRequest object, seamless communication with the server can be achieved for a smooth and dynamic user experience. If you've ever wanted to learn about Ajax , there are many sites out there that'll help you "grok" Ajax and the various technologies surrounding it. Here are 20 top-notch websites that cover the subject of Ajax . 1. Ajax resource center (developerWorks) developerWorks, a resource center for developers and IT professionals by IBM, has a dedicated Ajax resource center that hosts plenty of tutorials on Ajax. developerWorks tutorials are in-depth and lengthy, and you can learn a variety of information and techniques from them such as creating RIA applications with jQuery and Ajax , learning about Ajax security tools , and building an Ajax-based chat system .
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