[Bug 24115] Introduce CSS.isValidSelector()

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

--- Comment #1 from Boris Zbarsky <bzbarsky@mit.edu> ---
Note that http://software.hixie.ch/utilities/js/live-dom-viewer/?saved=2695 has
a slightly deeper stack, which shows that throwing is slower when the stack is
deeper (say you're in a library).  At least in some UAs.

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Received on Monday, 16 December 2013 17:00:33 UTC