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What is Ajax

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AJAX = Asynchronous JavaScript and XML AJAX is not a new programming language, but a new technique for creating better, faster, and more interactive web applications. With AJAX, a JavaScript can communicate directly with the server, with the XMLHttpRequest object. With this object, a JavaScript can trade data with a web server, without reloading the page. AJAX uses asynchronous data transfer (HTTP requests) between the browser and the web server, allowing web pages to request small bits of information from the server instead of whole pages. The AJAX technique makes Internet applications smaller, faster and more user-friendly. AJAX is based on the following web standards: JavaScript XML HTML CSS   AJAX applications are browser- and platform-independent. AJAX uses the XMLHttpRequest object With AJAX, your JavaScript communicates directly with the server, through the JavaScript XMLHttpRequest object. By using the XMLHttpRequest object, a web developer can update a page w