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Introduction to AJAX


AJAX is a technique for updating parts of a web page without reloading the entire page.


What is AJAX?

AJAX = Asynchronous JavaScript and XML.

AJAX is a technology for creating fast and dynamic web pages.

AJAX allows web pages to be updated asynchronously by exchanging small amounts of data with the server behind the scenes. This means that it is possible to update parts of a web page, without reloading the whole page.

Traditional web pages (which do not use AJAX) must reload the entire page if the content needs to be updated.

Many applications use AJAX, such as Google Maps, Gmail, Youtube, and Facebook.


How AJAX Works


AJAX is Based on Internet Standards

AJAX is based on internet standards and uses a combination of the following technologies:


Google Suggest

With the release of Google Suggest in 2005, AJAX started to become popular.

Google Suggest uses AJAX to create highly dynamic web interfaces: as you type characters into the Google search box, JavaScript sends the characters to the server, which returns a list of suggestions.


Start Using AJAX Today

In our ASP tutorial, we will demonstrate how AJAX can update parts of a web page without reloading the entire page. We will use ASP to write the server scripts.

If you want to learn more about AJAX, please visit our AJAX Tutorial.

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