6Transparency in Ajax Applications

Myth: Ajax applications are black box systems, just like regular Web applications.

If you are like most people, when you use a microwave oven, you have no idea how it actually works. You only know that if you put food in and turn the oven on, the food will get hot in a few minutes. By contrast, a toaster is fairly easy to understand. When you’re using a toaster, you can just look inside the slots to see the elements getting hot and toasting the bread.

A traditional Web application is like a microwave oven. Most users don’t know how Web applications work—and don’t even care to know how they work. Furthermore, most users have no way to find out how a given application works even if they did care. Beyond the fundamentals, ...

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