Learn Ajax

Ajax stands for Asynchronous JavaScript and XML.AJAX is not a new programming language, but a new way to use existing standards.AJAX is the art of exchanging data with a server, and update parts of a web page without reloading the whole page.Before learning Ajax you should already know Html, Css, JavaScript and Xml as they will help you to learn this language fast and in a easier way.AJAX allows web pages to be updated asynchronously by exchanging small amounts of data with the server behind the scenes. This means that it is possible to update parts of a web page, without reloading the whole page.Examples of applications using AJAX: Google Maps, Gmail, Youtube, and Facebook tabs.Now how Ajax works,first of all an event occurs in our browser,then we create and XmlHttprequest object and send this object to server.The server then process the request,create a response and send the data back to the browser.The browser then updates the information accordingly using Javascript.AJAX is based on internet standards, and uses a combination of:XMLHttpRequest object,JavaScript/DOM,CSS,XML.AJAX was made popular in 2005 by Google, with Google Suggest.Google Suggest is using AJAX to create a very dynamic web interface: When you start typing in Google’s search box, a JavaScript sends the letters off to a server and the server returns a list of suggestions.This was all about Ajax working and functioning,this help you to understand Ajax better.

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