[Bug 26985] Remove requirement for prose around iterable<> if object has indexed properties

https://www.w3.org/Bugs/Public/show_bug.cgi?id=26985

--- Comment #12 from Boris Zbarsky <bzbarsky@mit.edu> ---
If it's a Set-equivalent, why does it have an indexed getter and a .length?  It
sure quacks like an array when read, though I agree the behavior on _mutations_
isn't very arraylike.

Maybe we would have _liked_ to ship a setlike interface here, but the arraylike
thing has been implemented for a while now, so we're kinda stuck with it.

More importantly, the rules for iterable-and-indexed-props need to make sense
in general for indexed things, no matter what weirdness we have with
DOMTokenList.

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Received on Sunday, 18 October 2015 17:07:01 UTC