Posted by: techsavygal | January 23, 2006

AJAX..the new kid in the block!!!

Hi All,

I heard the word AJAX a lot and wondered what it could be….so, here is the answers to my search!

Asynchronous JavaScript And XML, or its acronym Ajax, is a Web development technique for creating interactive web applications. The intent is to shift a great deal of computation to the Web surfer’s computer, so the entire Web page does not have to reload when a change is made due to user interaction. This is meant to increase the Web page’s interactivity, speed, and usability. The Ajax technique uses a combination of:

  • XHTML (or HTML) and CSS for marking up and styling information.
  • The Document Object Model manipulated through JavaScript to dynamically display and interact with the information presented
  • The XMLHttpRequest object to exchange data asynchronously with the web server. In some Ajax frameworks and in some situations, an IFrame object is used instead of the XMLHttpRequest object to exchange data with the web server.
  • XML is commonly used as the format for transfering data, although any format will work, including preformatted HTML, plain text, JSON and even EBML.

Like DHTML, LAMP, or SPA, Ajax is not a technology in itself, but a term that refers to the use of a group of technologies together. In fact, derivative/composite technologies based substantially upon Ajax, such as AFLAX, are already appearing.

Microsoft has announced it is going to ship a toolkit for AJAX-based web applications. AJAX is a developer term for web apps built with a combination of DHTML, JavaScript and XML, like Gmail and AJAX uses an asynchronous approach to modify content on-page without having to reload the page, making web applications that perform like regular programs, but work in pretty much any browser.Atlas, as the toolkit is code-named, will consist of a client script framework that allows the building of applications that use DHTML, Javascript, and XMLHTTP without requiring the developer to be an expert in any of those technologies.



  1. Ajax developed by Microsoft, and used first in Microsoft’s software – Exchange Server in 1998. Then they stopped using it or what.. not sure.. but then Google figured out its ability and used in all its web apps, and now Microsoft coming up with Atlas for ASP.NET which supports ASP.NET objects, which AJAX doesnt.

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