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Re: proposal: @supports and :supports

From: Boris Zbarsky <bzbarsky@MIT.EDU>
Date: Sat, 27 May 2006 13:35:12 -0400
Message-ID: <20060527133512.z6wbivbzac08oo0k@webmail.mit.edu>
To: HeroreV <herorev@yahoo.com>
Cc: www-style@w3.org

Quoting HeroreV <herorev@yahoo.com>:

> Testing for feature support _does_ work in practice.

Testing for "is the feature there?" works.  Testing for "does the UA say the
feature is there?" does not work.

> Think about events, which are very important. The W3C
> specifies addEventListener, but IE uses attachEvent.
> Whithout the ability to test for support, using events
> woud be much more difficult.

But if you actually asked the UA whether it supports DOM events, would you
believe the answer?  Or rely on it?

-Boris
Received on Saturday, 27 May 2006 17:35:35 GMT

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