W3C home > Mailing lists > Public > public-html@w3.org > April 2007

Feature Strings

From: Jeff Schiller <codedread@gmail.com>
Date: Thu, 19 Apr 2007 10:43:01 -0500
Message-ID: <da131fde0704190843v3bde57b5vea7f0cab1a62215c@mail.gmail.com>
To: public-html@w3.org

Forgive me, I have not gone through WHATWG's HTML5 doc cover-to-cover yet.

What do people think about feature strings and the <switch> element in
SVG?  Personally I think it's a good way to allow implementors to
incrementally add support for a spec and a great way for developers to
figure out fall-back content.  User agent sniffing always seemed so
brittle to me.

In WHATWG's HTML5, is there a mechanism to determine if a UA supports
the <video> element yet?  Canvas is probably done with some JS and an
exception catching mechanism, right?

Received on Thursday, 19 April 2007 15:43:18 UTC

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