Hidden Features of HTML

Posted by Binoj Antony on Stack Overflow See other posts from Stack Overflow or by Binoj Antony
Published on 2009-06-05T04:58:36Z Indexed on 2010/04/14 19:43 UTC
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hidden-features

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language-features

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features

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html

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XHTML

HTML being the most widely used language (at least as a markup language) has not gotten its due credit.
Considering that it has been around for so many years, things like the FORM / INPUT controls have still remained same with no new controls added.

So at least from the existing features, do you know any that are not well known but very useful.

Of course, this question is along the lines of:

Hidden Features of JavaScript
Hidden Features of CSS
Hidden Features of C#
Hidden Features of VB.NET
Hidden Features of Java
Hidden Features of ASP.NET
Hidden Features of Python
Hidden Features of TextPad
Hidden Features of Eclipse

Do not mention features of HTML 5.0, since it is in working draft

Please specify one feature per answer.

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