Symbol.hasInstance and [[Get]] vs [[GetOwnProperty]]

[Andrea Giammarchi]

fwiw I agree with Jason thanks gosh inheritance worked as expected even for
public statics.

If you want to overwrite the inherited behaviour just do that on class B
and eventually C.



On Tue, Aug 16, 2016 at 1:38 PM, Jason Orendorff <jason.orendorff at gmail.com>
wrote:

> On Mon, Aug 15, 2016 at 8:45 PM, /#!/JoePea <joe at trusktr.io> wrote:
>
>> It seems like using [[Get]] for looking up `@@hasInstance` can be
>> confusing and requires devs to write extra code.
>>
>
> I think the emotionally loaded words in this post ("fail", "ugly",
> "fragile", "break") are unhelpful. You have to make your point some other
> way.
>
> The `c instanceof B` check (arguably unintuitively) fails.
>>
>
> It doesn't "fail". B inherits behavior from its base class A. That's the
> whole point of subclassing.
>
> -j
>
>
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