With the XMLHttpRequest object, you can request any web resource from a server.

You can request TXT files, HTML files, XML files, pictures or any data that is accessible from the Internet.

AJAX - Server

There is no such thing as an AJAX server.

XMLHttpRequest Object can Request any Data

With the XMLHttpRequest object, you can request any web resource from a server.

You can request TXT files, HTML files, XML files, pictures or any data that is accessible from the Internet.

AJAX is about creating clever applications that can use the data.

Requesting Text Files

Many AJAX applications request pure text files with data for the application (like in the example on the previous pages).

Requesting XML Files

A very common AJAX method is to request XML files to retrieve application data.

Requesting ASP or PHP Files

Requesting an ASP or PHP file is the most common way to access database information.

Requesting HTML Files

Requesting HTML files is a common method for filling out different information on a web page.

Submitting Forms

With AJAX you can easily submit form data without having to reload the page.