AJAX


AJAX :

 AJAX = Asynchronous JavaScript And XML.

 AJAX is not a programming language. AJAX just uses a combination of A browser built-in XMLHttpRequest object (to request data from a web server JavaScript and HTML DOM (to display or use the data)

AJax Uses:
 AJAX used AJAX  In a nutshell, it is the use of the XMLHttpRequest object to communicate with servers. 

It can send and receive information in various formats, including JSON, XML, HTML, and text files.










BENEFITS OF USING AJAX : 

1.Helps to build fast, dynamic websites. Ajax allows to perform processing on client computer (in JavaScript) with data taken from the server thereby reducing server load by moving a part of server functionality to client side.
 
2.Ajax can selectively modify a part of a page displayed by the browser, and update it without the need to reload the whole document with all images, memus etc. 

3.This bridges the gap between desktop and web applications. Saves bandwidth by only transmitting new information 
4.Creates possibility of entirely new types of user interfaces not possible in traditional model. Page

AJAX and its application :

1. Ajax enables a web application user to interact with a web page without the interruption of constant web page reloading.

2.Website interaction happens quickly with only portions of the page reloading and refreshing.

3. Ajax is made up of the following technologies XHTML and CSS for presenting information.


COMPONENTS OF AJAX : 
 
Ajax incorporates several technologies, each flourishing in its own right, coming together in powerful new ways. 

- standards-based presentation using HTML, CSS 

- dynamic display and interaction using DOM - data interchange and manipulation using XML

- asynchronous data retrieval using XMLHttpRequest

 - and favaScript binding everything together


What is AJAX and how it works : 

 1. AJAX is a technique for creating fast and dynamic web pages.
 
2.AJAX allows web pages to be updated asynchronously by exchanging small amounts of data with the server behind the scenes.

3. This means that it is possible to update parts of a web page, without reloading the whole page 

Is AJAX a web technology : 

1.AJAX is a web browser technology independent of web server software. 

2. A user can continue to use the application while the client program requests information from the server in the background 

3. Intuitive and natural user interaction.






 

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