Rails spinoffs - Apr 2008 - document.getElementsByName("form_elements_representing_arrray") shortcut with auto Element.extend()?

Is there any shortcut to
document.getElementsByName("form_elements_representing_arrray[]") with
auto Element.extend()?

I use
$A(document.getElementsByName("form_elements_representing_arrray[]")).map(Element.extend)
but that''s long! :)
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Of course there is:

$$(''name="form_elements_representing_arrray[]"'')

- kangax

On Apr 27, 3:35 pm, Domini
<Domini...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Is there any shortcut to
> document.getElementsByName("form_elements_representing_arrray[]")
with
> auto Element.extend()?
>
> I use
>
$A(document.getElementsByName("form_elements_representing_arrray[]")).map(Element.extend)
> but that''s long! :)
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Wonderful. )

But... what am I doing wrong?

Event.observe(window,"load",select_all_initialize);
function select_all_initialize()
{
	$("select_all").observe("click",select_all); //
$("select_all") is a
checkbox
}
function select_all()
{
	// $$(''name="values[]"'') are checkboxes also.
	
$A(document.getElementsByName("values[]")).map(Element.extend).invoke("writeAttribute","checked",this.checked);
//
This works.
	$$
(''name="values[]"'').invoke("writeAttribute","checked",this.checked);
//
This doesn''t.
}

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kangax has led you astray! ;)

$$(''*[name="values[]"]'').invoke(''writeAttribute'',
''checked'',
this.checked);

Cheers,
Andrew

On Apr 27, 3:28 pm, Domini
<Domini...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Wonderful. )
>
> But... what am I doing wrong?
>
> Event.observe(window,"load",select_all_initialize);
> function select_all_initialize()
> {
>         $("select_all").observe("click",select_all); //
$("select_all") is a
> checkbox}
>
> function select_all()
> {
>         // $$(''name="values[]"'') are checkboxes
also.
>
>
$A(document.getElementsByName("values[]")).map(Element.extend).invoke("writ
eAttribute","checked",this.checked); //
> This works.
>         $$
>
(''name="values[]"'').invoke("writeAttribute","checked",this.checked);
//
> This doesn''t.
>
> }
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Yes, this works.

But after all perfomance has decreased significantly.

On a small page including 30 checkboxes ~2 sec. for first call. Is
there a workaround? Or is this a problem of using the framework?
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Got it!

$$(''input[type="checkbox"][name="values[]"]'');

Thanks for the workaround with route_ids_new[], the code is much more
readable.
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