Re: indexed properties on NodeLists and HTMLCollections

Cameron McCormack:
> > I would prefer to go the route of disallowing all user defined array
> > index properties on objects with indexed properties, as that is
> > simpler.

Boris Zbarsky:
> Hmmm.  Any idea how web-compatible that is?  If we can get away with
> that, I'd probably be ok with it; not sure about other implementors.

Hard for me to tell, or search for.  I don’t really have more than a gut
feeling that it would probably be OK.

> > I’m yet to do any testing for named properties.  There are
> > two interfaces that have [OverrideBuiltins], HTMLDocument and
> > HTMLFormElement, and I’m guessing that disallowing all user
> > defined properties on objects with [OverrideBuiltins] named
> > properties is not feasible.
> Pretty sure it's not for HTMLDocument....


I would also be OK with just disallowing non-configurable array index
expando properties.  At least then it would be consistent with named

Cameron McCormack ≝

Received on Wednesday, 15 June 2011 23:18:44 UTC