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Re: [selectors4] minutes questions

From: Boris Zbarsky <bzbarsky@MIT.EDU>
Date: Mon, 28 Nov 2011 19:44:14 -0500
Message-ID: <4ED42ADE.4090201@mit.edu>
To: www-style@w3.org
On 11/28/11 7:40 PM, Brian Kardell wrote:
> Also .... David mentioned that the hard part of :has would be during
> updates....it seems to me the inverse is true and that the initial pass
> is considerably more difficult to optimize.  There are lots of tricks to
> optimize the performance of updates for the vast majority of cases, but
> on the initial draw its possible that you don't know that a rule matches
> until much later.

I'm not sure why not.  Do you mean because the page is not done being 
parsed?  If so, that's just a special case of dynamic updates, no?

Received on Tuesday, 29 November 2011 00:44:56 UTC

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