AJAX Tutorial

AJAX, is a web development technique for creating interactive web applications.
If you know JavaScript, HTML, CSS, and XML, then you need to spend just one hour to start with AJAX.

Audience

This tutorial will be useful for web developers who want learn how to create interactive webpages as well as improve their speed and usability using AJAX.

Prerequisites

It is highly recommended that you are familiar with HTML and JavaScript before attempting this tutorial.

Disclaimer: content is origin to w3schools & tutorialpoint
Ref:  http://www.w3schools.com/ & http://www.tutorialspoint.com/