[Webkit-unassigned] [Bug 37921] API to get object class name missing from JSC

Wed Apr 21 13:29:56 PDT 2010

https://bugs.webkit.org/show_bug.cgi?id=37921

--- Comment #8 from Geoffrey Garen <ggaren at apple.com>  2010-04-21 13:29:56 PST ---
> > Can you use instanceof / JSValueIsInstanceOfConstructor?
> 
> I did consider that but I concluded there wasn't a reliable way to get the
> constructor objects for the DOM classes. Doing something like
> JSObjectGetProperty to get window.HTMLDocument might return some HTMLDocument
> object overriden by a user script.

You can pre-fetch any important constructors you're interested in before
running user scripts.

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