That bug was filed today/yesterday and fixed, thanks to this thread :)
> On Jul 27, 2016, at 7:02 PM, Michael Theriot <[email protected]> > wrote: > > At least in Chrome, new weirdFunction() !== iter nor does it throw a > TypeError... but maybe that's a bug... > >> On Wed, Jul 27, 2016 at 10:12 AM, Allen Wirfs-Brock <[email protected]> >> wrote: >> >>>> On Jul 26, 2016, at 11:52 PM, Claude Pache <[email protected]> wrote: >>>> >>>> >>>> var weirdInstance = new weirdFunction(); // what is this?? >>>> ``` >>> >>> My intuition says: "TypeError: weirdFunction is not a constructor”. >> >> exactly, because weirdFunction is actually >> https://tc39.github.io/ecma262/#sec-%iteratorprototype%-@@iterator which is >> a built-in function that is not identified as a constructor. >> >> https://tc39.github.io/ecma262/#sec-ecmascript-standard-built-in-objects >> says: >> "Built-in function objects that are not identified [in this specification] >> as constructors do not implement the [[Construct]] internal method unless >> otherwise specified in the description of a particular function.” >> >> Step 7 of https://tc39.github.io/ecma262/#sec-evaluatenew says: If >> IsConstructor(constructor) is false, throw a TypeError exception. > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss
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