Appendix C. REFERENCE TO JAVASCRIPT OBJECTS AND FUNCTIONS

This reference covers all objects and functions currently part of JavaScript in Firefox and various versions of Internet Explorer. Each entry appears with the earliest version of Internet Explorer that supports it and whether or not Firefox supports it. For example, an entry listed with FF, IE 5 will work in Firefox 1.0, Internet Explorer 5, and later versions of those browsers.

In the summer of 2006, according to a variety of sites (including W3 Schools,[4] Counter.com,[5] and the Browser News[3]), approximately 70 percent of users were using some version of Internet Explorer (mostly IE 6), and 18 percent of users were using some version of Firefox. An additional 4 percent were using a ...

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