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The Flavors of DOM

Now that we have some background, let's start looking at the different kinds of DOM in Table 9-1.

Basic DOM

As you can see from Figure 9-1, this DOM has a strong emphasis on form elements. This means that forms could be validated on the client before the page was submitted to a Web server. Even more, values could be calculated and information displayed in other form fields without having to reload the page! These were pretty radical ideas at the time, and they certainly turned out to be good ones.


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