On Feb 10, 2012, at 12:43 AM, David Bruant wrote: > Maybe I'm missing something, but what you're proposing is *exactly* a > frame-based check.
Hi David, No, the proposed check does not correlate exactly to a frame-based check. For example, an object created using Object.create(null) may be associated with the same frame as a [[ProtoSetter]] function, but the restriction I propose would inhibit the object's prototype from being modified, where a same-frame check would. The check I am proposing is more restrictive. Also, and importantly (as Allen identifies), the proposed check does not require the spec to talk about frames or their association to objects. >> On Feb 9, 2012, at 7:18 PM, Allen Wirfs-Brock wrote: >>> Certainly, for the ES5 language level (which is what my current spec. >>> addresses) there is no way to talk about frames or the association of one >>> of these functions or any other object with a frame. cheers, G.
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