[Bug 24115] Introduce CSS.isValidSelector()

https://www.w3.org/Bugs/Public/show_bug.cgi?id=24115

--- Comment #5 from Anne <annevk@annevk.nl> ---
What kind of selector would that be? That sounds bad. And if we are diverging
selectors, surely we should then have two methods?

The perf thing is inherent to throwing exceptions it seems. Allocating an extra
object, calculating stack trace. bz knows more.

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Received on Wednesday, 18 December 2013 11:58:01 UTC