On Wed, Sep 7, 2011 at 7:10 AM, Tom Van Cutsem <[email protected]> wrote:
> 2011/9/7 David Bruant <[email protected]> > >> ** >> Le 07/09/2011 15:38, Tom Van Cutsem a écrit : >> >> [...] >> >> >> I still don't see how it would work out for NodeList or other host >> objects. Then again, I don't know whether there is a use case that requires >> this. >> >> Emulating the DOM, probably. It would still be possible to have >> non-extensible trapping proxies, but not turn the proxy into a native DOM >> Document/Node/Element/HTMLElement/DocumentFragment, etc... This could create >> some bad performance penalty for DOM Traversers [1] for instance (or >> querySelectorAll). Would it even be possible to have an "hybrid" DOM tree >> with native DOM Node and emulated DOM Node? >> > > So a sealed/frozen DOM element requires no more interposition at all? > I don't understand the question or how you got there. Certainly, for security purposes, sealed/frozen DOM nodes still carry tremendous authority, and so we still need to interpose proxy-wrappers for them. > > Also, how straightforward would it be to brain-transplant a Proxy with, > say, a NodeList, as opposed to brain-transplanting a Proxy with a regular > Object? > -- Cheers, --MarkM
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