AJAX Introduction

How To Work ?

AJAX is Based on Internet Standards

Client side user perform action to generate event that event call to a ajax method.
The $.ajax() function returns the XMLHttpRequest object that it creates. Normally jQuery handles the creation of this object internally
JavaScript XMLHttpRequest object call as a asynchronous HTTP request to the Server.
Web Server process the request and return XML Or json contain data.
XMLHttpRequest object calls to a callback function along with response from the web server.
Client browser updates the HTML DOM representing the web page along with new data.

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