Brendan Eich wrote:
I would imagine arrays, NodeLists, arguments, and other array-likes
all respond to for-of; if they don't, that seriously decreases the
utility of for-of!
Array.from is
s/is/tests/
that an object is either iterable, or failing that, array-like (even
if no .length property, ToUint32(undefined) => 0 so no elements). See
bottom of
https://mail.mozilla.org/pipermail/es-discuss/2012-July/024207.html.
As for the list of built-ins after arrays, specifically "NodeLists,
arguments, ..." I agree these should all be iterable.
/be
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