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.
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.
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.
In this tutorial, you'll be introduced to Ajax, a technology that allows you to send these requests through small JavaScript calls, meaning the user doesn't have to wait for the page to refresh.
With Head Rush Ajax, in no time you'll be writing JavaScript code that fires off asynchronous requests to web servers...and having fun doing it. By the time you've taken your dynamic HTML, XML, JSON, and DOM skills up a few notches, you'll have solved tons of puzzles, figured out how well snowboards sell in Vail.If you thought Ajax was rocket science, this book is for you. Head Rush Ajax puts dynamic, compelling experiences within reach for every web developer.