On Thu, Oct 29, 2009 at 4:56 AM, gMinuses <gminu...@gmail.com> wrote:
> I'm not sure if it's necessary, but I feel It'd be nice that we can
> pass an object to $.map(), so that jquery will iterate over it's
> properties and modifies values by calling the callback function:
I think that would be quite different from the way map currently
works, which does not modify the array passed in but returns a new
array whose values are the results of applying the callback function
to each successive value of the original one.
> var obj = { a: function() { alert(1) }, b: function() { alert(2) } };
> $.map( obj, function( value, key ) {
> return function() {
> // Call old function
> value();
>
> // Do something else;
> };
> })
I'm not making much sense out of that. Are you assuming that every
property of the "obj" parameter is a function? Can you give some
context and a more real-world example? This does not sound hard to
write, but I'm not seeing the benefits.
> If the idea is redundant because of my lack of knowledge, please let
> me know how to do it natively, thanks. ( If you are going to suggest "
> for( in ) ", I think it doesn't have the benefit of scoping )
I don't know what scoping issue you're talking about, but I think that
the only real way to enumerate the properties of an object involves
for-in.
-- Scott
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