AJAX Technologies

As describe earlier, ajax is not a technology but group of inter-related technologies. AJAX technologies includes:


HTML/XHTML and CSS

These technologies are used for displaying content and style. It is mainly used for presentation.


DOM

It is used for dynamic display and interaction with data.


XML or JSON

For carrying data to and from server. JSON (Javascript Object Notation) is like XML but short and faster than XML.


XMLHttpRequest

For asynchronous communication between client and server. For more visit next page.


JavaScript

It is used to bring above technologies together.

Independently, it is used mainly for client-side validation.