so nutron,
is it better to do
$$('.someclass').each(function(item, index) {
this.items[] = item;
//other stuff with item....
});
OR
this.items = $$('.someclass');
this.items.each(function(item,index) {
//some stuff here
});
*this only applies to the first time I will be accessing these items,
any other time I would access this.items*
Mike
On Oct 7, 5:17 pm, nutron <[EMAIL PROTECTED]> wrote:
> I disagree. Calling $$ twice on the same selector is not very efficient.
> Whenever possible, only call $$ once. $ is much less forgiving on speed.
> Calling either $$ or $ on a collection of elements or a single element
> (respectively) has no cost. So:
> var el = $(id);
> $(el).whatever() //no expense
> $(id); //cheaper than the first time and but slightly more costly
>
> var els = $$(selector);
> $$(els).whatever() //no expense
> $$(selector); //nearly as expensive as the first time
>
> On Tue, Oct 7, 2008 at 2:13 PM, Nathan White <
> [EMAIL PROTECTED]<[EMAIL PROTECTED]>
>
>
>
> > wrote:
> > Your code snippet is the best approach.
>
> > Mootools is fast at retrieving elements that have already been 'touched'.
> > The biggest culprit in performance is the DOM traversal.
>
> > On Tue, Oct 7, 2008 at 5:06 PM, Michael Duff <[EMAIL
> > PROTECTED]<http://n2.nabble.com/user/SendEmail.jtp?type=node&node=1304791&i=0>
> > > wrote:
>
> >> Hey Everyone,
>
> >> I have a question about coding style, I will be using the same "items"
> >> over and over throughout a class I am writing, so would it be better
> >> to place these items in an array for later use?
>
> >> $$('.someclass').each(function(item, index) {
> >> this.items[] = item;
> >> });
>
> >> then anytime I need to loop through them I can just use this.items
> >> instead of $$, does anyone know if its more expensive to store
> >> references to those items or for mootools to go find them each time?
>
> >> Mike
>
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