Ajax is also a dangerous technology for Web developers, its power introduces a huge amount of UI problems as well as server side state problems and server load problems. I�ve compiled a list of the many mistakes developers using Ajax often make.
Thanks to Ajax, we can provide real-time feedback to the user using server-side validation scripts and eliminate the need for redundant validation functions without giving up a solution that degrades gracefully when JavaScript is disabled.
This is a quick tutorial to get you jump started with Ajax. It uses object detection and explains some of the caveats for doing what is being done in the tutorial.
This article illustrates one method of benchmarking your Ajax applications as well as point out some of the major performance pitfalls that the author has encountered while developing Ajax components and applications.
In this article I'm going to show you three simple and practical uses for Ajax on your Web site. You'll need to know a bit of HTML, JavaScript, and PHP to follow along, but I'll do my best to explain everything in simple terms so you don't get lost.