What is AJAX, How to do AJAX, Overview of AJAX

What is AJAX, How to do AJAX, Overview of AJAX :

What is AJAX :

AJAX is a high definition technology of  programming techniques.  AJAX means Asynchronous JavaScript and XML  Its not a programming language but its a new technology which is the combination of some technology.

Who Invented AJAX :

Jessie James Garret invented Ajax in his books named “AJAX : An new approach to web application”. 

How to do AJAX :

XHTML and CSS in AJAX :

XHTML and CSS are used in AJAX. By using XHTML and CSS the Interface of Web application is created. XHTML is latest version of HTML. CSS means Cascading Style Sheet which can give extra style in HTML element.

Document Object Model (DOM) in AJAX :

To change user interface in AJAX used Document Object Model (DOM). Document Object Model is an interface which is supported all browser and can change the user interface by the visible element of browser.

XML in AJAX :

XML is the Extensible Markup Language. XML is a programming language like HTML. AJAX transfer all data between server and client by XML. By using XML we can use tag as our choice like <service> <product> <id> <item>  Generally Client send a request to Server and Server gives a response to client.  To recover this system AJAX uses a XML HTTP. 

XML HTTP in AJAX :

XML HTTP is an object which is supported by all browser. By using XML HTTP AJAX can finish the process without sending any request to the server from client.

Java Script in AJAX :

In AJAX also used Java script to create interaction among click, submit and key press. Java script creates XML Http request and activate it to communicate with server. By using DOM Access Java Script changes the interface which is created by XHTML and CSS.  Its Inform the user that the request is successful or unsuccessful.  It displays the total combination of AJAX.

These are the foundation of AJAX. Whatever AJAX have also some limitation. But Its have a big opportunity and significant importance in current digital world.