Proposal: allow primitives to be explicitly returned from constructors

T.J. Crowder tj.crowder at
Fri Apr 20 13:46:55 UTC 2018

On Fri, Apr 20, 2018 at 2:23 PM, Oriol _
<oriol-bugzilla at> wrote:
> No, `typeof` is not reliable, because it's implementation-defined
> for non-standard non-callable exotic objects.
> For example, old IE used to return `"unknown"` in various cases.

Also `"object"` for host-provided functions (such as
`document.createElement`); IE8 still does that. (Thankfully IE11 doesn't.)
(I suppose that would have passed Isiah's `isObject` test anyway, but the
point is that `typeof` is, sadly, a weak reed...)

-- T.J. Crowder
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