- From: Emilio Cobos Álvarez via GitHub <sysbot+gh@w3.org>
- Date: Mon, 26 Nov 2018 09:09:09 +0000
- To: public-css-archive@w3.org
> would be essentially identical in terms of performance, and therefore viable for the live profile.
That is not true. `b.matches('a b:has(c)')` requires looking at every descendant of `b`, while `c.matches('a b c')` does not. Evaluating the selector is much more expensive.
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Received on Monday, 26 November 2018 09:09:14 UTC