The v8 bug referred to earlier in this thread was filed by Rick Waldron and fixed back in March, I think engines are on the same page with this — just FYI
> On Jun 17, 2015, at 2:49 PM, Boris Zbarsky <[email protected]> wrote: > > On 6/17/15 2:35 PM, Mark S. Miller wrote: >> What do other browsers currently do? > > Firefox: > > > var w = new WeakMap(); var r = Symbol.for('foo'); w.set(r, true); > TypeError: r is not a non-null object > > WebKit nightly: > > > var w = new WeakMap(); var r = Symbol.for('foo'); w.set(r, true); > TypeError: Attempted to set a non-object key in a WeakMap > > Don't have a new enough IE to test with offhand. > > -Boris > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss

