[Bug 23887] [Shadow] Put only the final destination insertion point to the event path

https://www.w3.org/Bugs/Public/show_bug.cgi?id=23887

--- Comment #81 from Olli Pettay <bugs@pettay.fi> ---
(In reply to Hayato Ito from comment #79)
> I'm not saying that this will apply to all user-agent's implementations.
> I'd like to share my experience in blink, hoping it might be useful for the
> discussion.
(IIRC when shadow dom event dispatch was added to webkit/blink, its
event dispatch speed regressed significantly. At least there was a time
when doing perf testing I noticed chrome's event dispatch speed regressed quite
a bit)
It wouldn't be an implementation issue for Gecko, but perf would regress a bit.

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Received on Friday, 28 March 2014 11:12:43 UTC