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Monday, April 13, 2009

AJAX

AJAX :- Asynchronous JavaScript & XML.

  1. AJAX is not programing language,but a technique for creating better, faster & more interaction web application.
  2. with AJAX, your Java script can communicate directly with the server , using the java script XML HTTP request object.With this object, your javascript can trade data with a web server without reloading the page.
  3. The AJAX techniques makes internet application smaller, faster, & more user friendly.
  4. AJAX is a browser technology independent of web server software.
  5. AJAX is based on the following web standards:-
  • Java script
  • XML
  • HTML
  • CSS

AJAX- The HTTP Request object:-( The on ready state change property)
  • After a request to the server, we need a function that can receive the data that is returned by the server.
  • The on ready state change property stores your function that will process the response from a server.This is not a method the function is stored in the property to be called automatically.
The ready state property:-
  • The ready state property holds the status of the server's response.Each time the ready state change the on ready state change function will be executed.
Web application have many benefits over desktop applications;they can reach a larger audience, easier to developer.
With AJAX internet application can be made richer & more user friendly..


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