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Chapter 16. Providing for Backward Compa... > Finding Out What Works (and Doesn't ...

Finding Out What Works (and Doesn't Work) in Which Browsers

A number of resources on the Web provide charts or feedback on which CSS features are supported by which browsers. Because you're unlikely to want to install every possible browser on your computer or have every possible platform (Windows, Macintosh, Unix/Linux, and so on) available for testing, these can be of invaluable assistance in sorting out which browsers need to be shielded from which style properties. In fact, only one version of Internet Explorer for Windows can be installed on a 32-bit Windows system, so you have to have multiple computers (or multiple copies of Windows installed in separate partitions) to be able to test out your pages in versions of Internet Explorer other than the one you've got installed. Here are descriptions of and links to these resources:

  • WebReview.com's Style Sheet Reference Guide (http://www.webreview.com/style/)— Click the link to the Master Compatibility Chart to view support in browsers for all CSS1 properties and features. The chart indicates if a browser's support for a CSS1 property or feature is complete, partial, buggy, quirky, or non-existent. You can also click the link to CSS2 Selectors Chart to check support of the new CSS2 selectors in various browsers.

  • Westciv's House of Style (http://www.westciv.com/style_master/house/)— Click the Browser Compatibility link in the sidebar to access their browser compatibility charts. Browser compatibility is listed for all CSS1, as well as many CSS2, properties and features. In addition to compatibility levels for Internet Explorer, Netscape Navigator, and Opera, compatibility is also listed for WebTV 1.0.

  • The comp.infosystems.www.authoring.stylesheets newsgroup can be a great resource for getting down into the nitty-gritty of different browser compatibility issues. You can just lurk or you can solicit responses with a specific query. Before posting, however, be sure to read their FAQs at http://css.nu/faq/ciwas-mFAQ.html and http://css.nu/faq/ciwas-aFAQ.html.


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