[Webkit-unassigned] [Bug 49739] WebIDL attributes should be implemented as getters and setters on the prototype object.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=49739





--- Comment #4 from Sam Weinig <sam at webkit.org>  2010-11-22 14:00:09 PST ---
(In reply to comment #3)
> (In reply to comment #2)
> > Do we have an idea about how to do this without slowing down DOM property access in the common case?
> 
> This is probably better answered by someone who knows JSC better but isn't this just the same as accessing normal JavaScript objects that have getters on their [[Prototype]]?
> 
> How do you optimize getters/setters today?
> 
> How do you optimize [[Get]] when present on a [[Prototype]]?

My question is not if/how to optimize getters on a prototype, but rather, if we can make this change without a regression in performance (through some witchcraft).  The answer is probably no.

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