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  1. #1
    SitePoint Addict revlimiter's Avatar
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    HTML5 Backwards Compatibility

    OK so I understand that HTML5 supports the existing markup (HTML + XHTML). This is great. However, what happens when I want to use any of the new HTML5 tags?
    http://www.w3schools.com/html5/html5_reference.asp

    If I want my website to work properly in IE6 should I avoid using any of the new HTML5 tags?
    (Just for the record, which browsers currently support HTML5 and CSS3, and which ones do not? Are there tried and true fallback methods for those older browsers?)

    Thanks,
    "To make an apple pie from scratch,
    you must first create the universe.
    -Carl Sagan

  2. #2
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    Quote Originally Posted by revlimiter View Post
    However, what happens when I want to use any of the new HTML5 tags?
    You'll probably see those tags lying on page with other contents.

    Quote Originally Posted by revlimiter View Post
    If I want my website to work properly in IE6 should I avoid using any of the new HTML5 tags?
    I'm afraid so.

    Quote Originally Posted by revlimiter View Post
    (Just for the record, which browsers currently support HTML5 and CSS3, and which ones do not? Are there tried and true fallback methods for those older browsers?)
    Well, latest versions of any major browser should be compatible with HTML5 and CSS3. However, that doesn't mean they will support all the features of HTML5 and CSS3.

  3. #3
    It's all Geek to me silver trophybronze trophy
    ralph.m's Avatar
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    Most proposed features of HTML5 and CSS3 are not supported in browsers yet, but you can experiment with a few. There are style sheets and scripts written for older browsers that help them recognize some of the newer elements. For example, you can use the html5shiv together with css normalize to help browsers cope with them. Or yo can use Modernizr.

    Personally, though, all this seems like it's jumping the gun and abandoning the principles of graceful degradation / progressive enhancement, as you end up replying of JS/CSS for content to be available, which is a kind of heresy.


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