Bug: Reflect.ownKeys(function() {}) differs in V8 strict mode than other cases

Caitlin Potter caitpotter88 at gmail.com
Tue Sep 6 01:24:27 UTC 2016

Ah, my bad, you’re right — they only expose the accessors on the prototype, so they’re in the clear. But yeah, there’s no requirement one way or the other (other than re: web compat) for the properties being there in sloppy mode.

> On Sep 5, 2016, at 9:20 PM, Oriol Bugzilla <oriol-bugzilla at hotmail.com> wrote:
> > Mozilla's approach violates ECMAScript's forbidden extensions and can't be considered "correct"
> Why? The spec forbids adding "caller" or "arguments" in strict mode. I think it does not enforce adding them in sloppy mode.
> Chrome seems to add them only in sloppy mode, and Firefox to never add them. So I think both follow the spec.
> - Oriol
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