Abirami

AJAX :  AJAX = Asynchronous JavaScript And XML.  AJAX is not a programming language. AJAX just uses a combination of A browser built-in XMLHttpRequest object (to request data from a web server JavaScript and HTML DOM (to display or use the data) AJax Uses:   AJAX   used AJAX  In a nutshell, it is the use of the XMLHttpRequest object to communicate with servers.  It can send and receive information in various formats, including JSON, XML, HTML, and text files. BENEFITS OF USING AJAX :  1.Helps to build fast, dynamic websites. Ajax allows to perform processing on client computer (in JavaScript) with data taken from the server thereby reducing server load by moving a part of server functionality to client side.   2.Ajax can selectively modify a part of a page displayed by the browser, and update it without the need to reload the whole document with all images, memus etc.  3.This bridges the gap between desktop and web applications. Saves bandwidth by only transmitting new information  4.C