[Bug 22320] Form's supported property names should perhaps not be enumerable

https://www.w3.org/Bugs/Public/show_bug.cgi?id=22320

--- Comment #10 from Mark S. Miller <erights@gmail.com> ---
Backwards compat with what? getOwnPropertyNames didn't even exist prior to ES5.
And your own analysis says that browsers differ on this odd case anyway. Just
because some browsers shipped a bug, let's not immediately turn around and
legislate that bug as a standard before the cement has dried, especially when
this bug contradicts an existing standard.

Are the objects in question *necessarily* non-extensible? In other words, must
they refuse Object.freeze, .seal, and .preventExtensions? After they are made
non-extensible, if they claim (via getOwnPropertyNames) not to have an own
property, they must not after (e.g., by getOwnPropertyDescriptor) claim to have
that property, or they would violate the non-extensibility contract.

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Received on Tuesday, 9 July 2013 04:31:53 UTC