PMJI, I'm confused, (and I'm still a js noob too). I don't see
$.extends() documented anywhere.
That's a typo, right, it should be $.extend()?
Just checking <s>.
**--** Steve
On Aug 11, 4:52 pm, Daniel Friesen <nadir.seen.f...@gmail.com> wrote:
> jQuery does reproduce loops:
>
> var father = {
> child : {}}
>
> father.child.father = father;
> $.extends( {}, father )
>
> The problem here is you are telling jQuery to recurse into things it
> shouldn't be recursing into.
>
> $.extends( true, .. ); is for when you want to duplicate nested objects,
> rather than reference the same objects.
> By definition, you are asking jQuery to:
> Take {}
> Take the keys in father:
> for the child key:
> create an object to make a duplicate using and place that onto {}.child
> recurse into child:
> for the father key:
> create an object to make a duplicate using and place that onto
> child.father
> recurse into father:
> for the child key:
> create an object to make a duplicate using and place
> that onto father.child
> recurse into child:
> ...
>
> There is no problem here, jQuery is following your orders just as you
> give them.
>
> If jQuery were to try and track circular references it would:
> A) Make .extends extremely inefficient because it would have to store
> just about everything it touches and make sure it doesn't recurse
> B) No longer create duplicate objects as it was told to
>
> ~Daniel Friesen (Dantman, Nadir-Seen-Fire) [http://daniel.friesen.name]
>
> ludovic wrote:
> > Hi,
> > I've got loops in my objects relations. Example :
>
> > var father = {
> > child : {}
> > }
>
> > father.child.father = father;
>
> > $.extends( true, {}, father ) causes a infinite loop.
>
> > Jquery should reproduce loops.
>
> > Regards,
> > Ludovic
>
>
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