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 programmatically by JavaScript
  

XMLHttpRequest

• JavaScript object that performs asynchrous interaction with the server