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Chapter 14. JavaScript and the Document ... > An Introduction to the Document Obje...

An Introduction to the Document Object Model

“Document Object Model?” This was a phrase that struck fear into the hearts of Web developers when it started to appear with that other phrase “Dynamic HTML.” What did it mean? What did it do? What could it be used for? These were just some of the hot questions of the time.

In fact, the Document Object Model (DOM) was at the time (when Internet Explorer 4 and Netscape Navigator 4 hit the world, although the Document Object Model actually predates both of these browsers) hailed as one of those “the next big thing in HTML,” only this time it wasn't a change to the HTML itself. It was not a new tag (such as a color-changing <blink> tag that some people wanted!) or attribute to existing HTML tags; instead it provided a way to take control over all the existing tags on a Web page!


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