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The Document Object Model Dissected



By Aaron Weiss

Tutorial TOC

  1. Introduction
  2. Gray's Anatomy\ Master of Your DOM
  3. Use the DOM, Luke
  4. Netscape: The DOM
  5. Microsoft: DOM, the Sequel
  6. DOM of the Future

Developing successful web pages these days involves more than simply pumping out HTML tags. Ever-evolving towards a true development environment, complex web pages now grow out of a coalition of technologies, including Cascading Style Sheets, JavaScript (both loosely referred to as "Dynamic HTML"), and possibly even XML. Consequently, web pages are complex organisms, far more advanced than their protozoan ancestors. Working with such an organism requires a thorough insight into its anatomy, and that is the basis and purpose for the Document Object Model. In this discussion we'll look closely at the "DOM," as it is known -- what it is, how you use it, and where it might be leading us. The DOM is a Web programmer's ally, but as such, we must assume some Web programming experience. This article is not a tutorial on JavaScript syntax or Dynamic HTML; however, if you have developed in either of the above to even a small extent, you will certainly be interested in understanding the DOM, even if you haven't heard of it until now.

    [print version of this page]

    Of Interest
    · An Introduction to DHTML

    · Express Yourself