On 1/5/12 9:44 PM, Allen Wirfs-Brock wrote: > I believe that this is the change Boris is referring to: > https://bugs.ecmascript.org/show_bug.cgi?id=78 Yes, thank you. Any chance of the revised text making it to a spec somewhere where people might see it (and maybe even fix existing implementations)? ;) In any case, the updated text says that if HasBinding returns true then the implementation should call [[GetOwnProperty]] on the global. If this returns undefined, then [[DefineOwnProperty]] is called on the global with the property descriptor: {[[Value]]: undefined, [[Writable]]: true, [[Enumerable]]: true , [[Configurable]]: configurableBindings }. So now to make var shadow some property that property needs to either return false from HasBinding or return undefined from [[GetOwnProperty]]. Cameron, can GSP properties return undefined from [[GetOwnProperty]] but still do what they should for window.foo and bareword lookups without other things elsewhere breaking? -BorisReceived on Friday, 6 January 2012 05:50:38 UTC
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