AJAX has come to represent a broad group of web technologies that can be used to implement a web application that communicates with a server in the background, without interfering with the current state of the page. Below is the list of technologies1. XHTML and CSS for presentation2. The Document Object Model (DOM) for dynamic display of and interaction with data3. XML and XSLT for the interchange, manipulation and display of data, respectively4. The XMLHttpRequest object for asynchronous communication5.
2.AJAX Advantages and DisadvantagesIn many cases, related pages on a website consist of much content that is common between them. Using traditional methods, that content would have to be reloaded on every request. However, using AJAX, a web application can request only the content that needs to be updated, thus drastically reducing bandwidth usage and load time.
The use of asynchronous requests...