On Tue, Feb 14, 2012 at 1:20 PM, Tab Atkins Jr. <[email protected]>wrote:
> > I don't want to go looking anything up right now, but I have lots of > memories of things looking for the presence of "length" to denote an > array-like. If someone does look for examples, this would be helpful. The issue is "array-like in what ways"? Other than being iteratable, Sets and Maps aren't array-like in any other way I can think of. And "iteratable" is new with ES6 so that can't be the commonality. OTOH, functions have a "length" and they aren't array like in any way I can fathom. The possible confusion with functions may have already deterred people from duck typing on "length". OTOH, some bozo (me) once proposed < http://wiki.ecmascript.org/doku.php?id=conventions:isarraylike>. Hopefully no one followed my advice ;). -- Cheers, --MarkM
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