It seems that ES5 throws a TypeError for constructs like
Array.prototype.pop.call("abc")
whereas current implementations (and, I think ES3, but I didn't check
that closely) will return "c".
Is this change intentional? There seems to be a note in the
compatibility appendix that is about a similar, but not quite identical
issue (or maybe it is identical and I have misunderstood). Are there
grounds to be confident that the old behavior is not needed for web
compatibility?
Apologies if I have overlooked something or misunderstood something.
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