On Jul 5, 2013, at 11:53 PM, Jeff Morrison wrote:
> Ah wait I see -- it's not that the prototype property is set to superClass,
> it's that the actual prototype of the function object is set to the
> superClass object.
> Ok cool makes sense, thanks for the clarification guys!
>
Yes, and that's what I meant by "long story short":
F.[[Prototype]] = constructorParent
F.prototype = Object.create(protoParent)
Dmitry
P.S.: (the actual prototype is always the [[Prototype]] internal property, and
it goes form ES3 and earlier specs; the "prototype" explicit property on the
constructor is just the explicit reference to the prototype of of instances)
> -Jeff
>
> On 7/5/13 9:53 PM, Allen Wirfs-Brock wrote:
>> On Jul 5, 2013, at 5:27 PM, Jeff Morrison wrote:
>>
>>> I'm reading through the spec and trying to understand whether static
>>> methods on harmony classes are inherited by their subclasses or not, and as
>>> far as I can tell they are not -- is this correct?
>> Yes, they are inherited as properties of subclass constructors.
>>
>> In the ES6 spec. see section 13.5, Runtime semantics,
>> Cl;assDefinitionEvaluation for production
>> ClassTail : ClassHeritage { ClassBody}
>>
>> Lines 2.g.iv which is
>> Let constructorParent be superclass.
>>
>> Line 9 passes constructorParent as the functionPrototype argument for
>> Property DefinitionEvaluation of the constructor.
>>
>>> I see that the harmony class wiki suggests this topic is an open issue --
>>> but the maximally-minimal wiki says nothing explicit about it.
>> That Wiki page starts with "This proposal has progressed to the Draft
>> ECMAScript 6 Specification..." which basically means read what the spec.
>> says, the wiki pages generally don't get updated and are kept around for
>> ground.
>>
>> Allen
>>
>>
>>
>
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