Must built-in prototypes also be valid instances? (Was: Why DataView.prototype object's [[Class]] is "Object"?)
brendan at mozilla.org
Sat Sep 29 21:04:50 PDT 2012
Rick Waldron wrote:
> On Sat, Sep 29, 2012 at 6:19 PM, Brendan Eich <brendan at mozilla.org
> <mailto:brendan at mozilla.org>> wrote:
> Allen Wirfs-Brock wrote:
> My intention, subject to feedback here and from TC39, is to
> follow the pattern I used for Map as much as possible.
> However, TypedArray object are all ready implemented by all
> major browsers to that may limit how we apply it to them.
> Implementations differ:
> in Opera says "Uint8Array", while in Firefox and Safari it says
> "Uint8ArrayPrototype". Chrome says "Object". I can't test IE here.
> How common is that?
> Generally the [[Class]] (NativeBrand?) is derived via
> (sans .prototype)
I'm saying typed arrays from khronos are underspecified, and
implementations vary. Something to fix in ES6.
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