I think you're on the write track of the fix here. I knew I needed to specify something similar to make instanceof work reasonably for object exemplars. I need to look at it a bit more to be sure.
Allen On Nov 14, 2011, at 5:18 PM, Mark S. Miller wrote: > On Mon, Nov 14, 2011 at 5:13 PM, Mark S. Miller <[email protected]> wrote: > > function [[GetClass]](x) { > while (true) { > const proto = Object.getPrototypeOf(x); > if (proto === null) { return null; /* or void 0? */ } > let result; > if (hasOwnProperty(proto, 'constructor') && > (result = proto.constructor) && > typeof result === 'function' && > result.prototype === proto) { > return result; > } > } > } > > Oops. Should be > > function [[GetClass]](x) { > while (true) { > x = Object.getPrototypeOf(x); > if (x === null) { return null; /* or void 0? */ } > let result; > if (hasOwnProperty(x, 'constructor') && > (result = x.constructor) && > typeof result === 'function' && > result.prototype === x) { > return result; > } > } > } > > -- > Cheers, > --MarkM
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