CHAPTER 5

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The Document Object Model

Working with the Document Object Model (the DOM) is a critical component of the professional JavaScript programmer’s toolkit. A comprehensive understanding of DOM scripting yields benefits not only in the range of applications we can build, but also in the quality of those applications. Like most features of JavaScript, the DOM has a somewhat checkered history. But with modern browsers, it is easier than ever to manipulate and interact with the DOM unobtrusively. Understanding how to use this technology and how best to wield it can give you a head start toward developing your next web application.

In this chapter ...

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