Ajax For Beginners

What is it exactly? 

 AJAX is not a programming language or a tool but it is just a concept.

What is the advantage? 

 AJAX is set of web development technique's which allows web application to work asynchronously processing any requests to the server in the background. 

 In a web app, you can send and retrieve data without reloading the page. 

 Ajax is that it streamlines the user experience. Your visitors do not have to wait long to access your content.