> Can you explain which objects you expect would extend the final
> object, and which object would not?
> (nodes are objects too)
I think it should make the following expression evaluate to true:
object && object.constructor === Object
( I'm not sure if it's strict enough, but what I mean is that the
object should be constructed by Object )
> This is so wrong.
> Maybe you can expect indexes in numerical order for Arrays, but still
> Array.prototype is to often extended.
> Also we have to iterate like sequence any array-like object (jQuery
> objects, NodeLists,...).
I think Array.prototype should never be extended, if it does, $.extend
() is the first one to be broken (at least for jQuery 1.3.2).
As for array-like objects, you can see how $.each() is implemented (I
think it's like a convention that if an object conforms the condition
I mentioned before, and has a "length" property, it should be treated
like an array)
var o = { length: 2, a : 1 }
$.each(o, function(i, v) {
console.log(i, v)
})
This code prints
0, undefined
1, undefined
in firebug, which means it breaks the convention and the result is
expected.
> If your argument is scoping, it is not enough.
I don't quite understand what your are saying, could you be more
specific?
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