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Chapter 24. Introduction to DHTML > Advantages to Using DHTML

24.1. Advantages to Using DHTML

Small file sizes

DHTML files are small compared to other interactive media such as Flash or Shockwave (see Chapter 21). Therefore they have a shorter download time and take up less bandwidth.

Supported by both major browser manufacturers

Both Microsoft and Netscape currently support DHTML in some shape or form.

DHTML will be a standard

The World Wide Web Consortium or the W3C is currently implementing standards for DHTML technologies. It has already released preliminary specifications for DOM and CSS (go to http://www.w3c.org for more information). These specifications lay the groundwork for more complete standards to come, which both Netscape and Microsoft have pledged to support.

No plug-ins necessary

Plug-ins are not needed to view DHTML files. A visitor to your site needs only a Netscape 4.0 browser or an Internet Explorer 4.0 browser. This puts fewer requirements on your audience; they don't need to download special software to view your site.

Doesn't require a Java Virtual Machine (JVM)

DHTML isn't a Java technology. DHTML provides many functions that can otherwise be attained through Java—a compiled, object-oriented computer language. Pages that contain Java applets require the user to wait for the JVM to start and for Java byte code to download, which takes quite a bit of time and bandwidth. Although Java is good for some applications, DHTML can be an attractive alternative for animations, design issues, and simple tasks.



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