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

From: <bugzilla@jessica.w3.org>
Date: Tue, 09 Jul 2013 04:31:52 +0000
To: public-script-coord@w3.org
Message-ID: <bug-22320-3890-PZmteGDAw6@http.www.w3.org/Bugs/Public/>
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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