Technologies used in Ajax

JavaScript

• Loosely typed scripting language
• JavaScript function is called when an event in a page occurs
• Glue for the whole AJAX operation

DOM

• API for accessing and manipulating structured documents
• Represents the structure of XML and HTML documents

CSS

• Allows for a clear separation of the presentation style from the content and may be changed pro-grammatically by JavaScript

 XMLHttpRequest

• JavaScript object that performs asynchrous interaction with the server