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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