Internet Explorer 5 and Navigator 6

Because of their support for the W3C DOM standards, programming Web pages that support both Internet Explorer and Navigator 6 is much easier than targeting Internet Explorer and Navigator 4. The biggest problem to avoid when developing compatible pages is the use of any proprietary elements and objects that Microsoft has added to its browsers. Also, Internet Explorer 4, although it supports most of the same capabilities as Internet Explorer 5 and Navigator 6, does not include support for as much of the standard W3C DOMs. Because it supports similar capabilities, however, programming pages to support it isn't a difficult matter.

Listing 27.6 shows an example of a Web page programmed for cross-browser use on ...

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