Figuring out the behavior of WindowProxy in the face of non-configurable properties
bzbarsky at mit.edu
Thu Dec 4 02:58:46 PST 2014
On 11/30/14, 6:12 PM, Mark S. Miller wrote:
> On Sun, Nov 30, 2014 at 12:21 PM, Boris Zbarsky <bzbarsky at mit.edu> wrote:
>> Per spec ES6, it seems to me like attempting to define a non-configurable
>> property on a WindowProxy should throw and getting a property descriptor for
>> a non-configurable property that got defined on the Window (e.g. via "var")
>> should report it as configurable.
> Yes, both of these conclusions are correct.
OK. What do we do if we discover that throwing from the defineProperty
call with a non-configurable property descriptor is not web-compatible?
I'm going to try doing it in Firefox, and would welcome other UAs
doing it ASAP to figure out whether we're in that situation.
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