What is AJAX?
AJAX = asynchronous JavaScript and XML.
AJAX is a method for creating a fast dynamic webpage technology.
Through a few data exchange in the background and the server, AJAX can realize theasynchronous update the webpage. This means you can without reloading the whole webpagecircumstances, to update a webpage.
Traditional webpage (no AJAX ) if you need to update the content, essential to reload the whole webpage surface.
There are a lot of applications using AJAX case: Sina micro-blog, Google map, happy netetc..
