AJAX has become an increasingly popular tool to develop RIAs. With AJAX, as with many new technologies, developers often overlook core application issues such as error handling. While many current AJAX frameworks come with ways to handle errors, the built-in error-handling methods might not be quite what you need, and it's possible that you might not even want to adopt a specific AJAX framework at all. So how do you handle errors in AJAX?
This article will guide you through one possible way to implement custom error handling in AJAX using many of the same techniques that you'll likely read about in other parts of this magazine. Because AJAX represents a big paradigm shift in the way users interact with Web applications, it's easy to leave your users confused when things don't quite work as they'd expected. To enhance the user experience, it's equally important to alert them when something goes exactly as planned and enhances the interactive experience.
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