Complete ECMAScript 5th edition implementation

David Herman dherman at mozilla.com
Thu Apr 8 23:50:59 PDT 2010


I think this discussion is getting off-topic. We're happy to have accepted your initial announcement, but this list is here to discuss the language standardization and design. Discussions relevant only to a specific implementation belong elsewhere.

Regards,
Dave

On Apr 8, 2010, at 11:39 PM, Benjamin Jan Alexander Rosseaux wrote:

> Dmitry A. Soshnikov schrieb:
>> var x = 10;
>> alert(delete x);  // true, should be false (for [[Configurable]])
>> alert(x); // undefined
>> 
>> But identifier resolution for "x" binding (which should be resolved in
>> the global object since it isn't deleted) from the function, says not "undefined", but "x" is
>> not defined. If do not use delete, it resolves to 10.
>> 
>> (function () {
>>  alert(x);
>> })();
>> 
>>  
> Hm, i've checked my DELETE operator + Object.Delete + EnvRec.Delete code implementations against the ES5 final spec PDF again once more, but all instruction steps between my implementation and  the PDF are exactly equal.  Can you provide me more information to this, what you does mean, what may be wrong?
> 
> Anyway, a new version is available, where I've fixed some other small bugs on other code locations. 
> Benjamin
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