Rails spinoffs - May 2008 - finding the index of the selected item in getElementByclassname

I have a question:

How do you return the selected index of an array of
elementsbyclassname on the element that execute an onclick event?

lets say :

<a class="link" onclick="myfunction(this)"></a>
<a class="link" onclick="myfunction(this)"></a>
<a class="link" onclick="myfunction(this)"></a>

Thanks
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On Wed, Apr 30, 2008 at 7:14 PM, smartcookie
<dpell.home-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
>  How do you return the selected index of an array of
>  elementsbyclassname on the element that execute an onclick event?
First thing is you should use select() instead of
getElementsByClassName(), as you will run into problems with browsers
that support the latter natively such as Firefox3.

Here are some examples...

$$(''a.link'').invoke(''onclick''); // call the
onclick event for every
link with a class of "link" on the page
$$(''html
body'').select(''a.link'').first().onclick(); // call
the
onclick event for the first link with a class of "link" on the page
$$(''html
body'').select(''a.link'')[5].onclick(); // call the
onclick
event for the 6th link on the page with a class of "link"

-justin

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var links = $$(''.link'');
links.invoke(''observe'', ''click'', function(e)
{
  console.log(links.indexOf(e.currentTarget)); // will log index of
clicked element
})

- kangax

On Apr 30, 8:14 pm, smartcookie
<dpell.h...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> I have a question:
>
> How do you return the selected index of an array of
> elementsbyclassname on the element that execute an onclick event?
>
> lets say :
>
> <a class="link"
onclick="myfunction(this)"></a>
> <a class="link"
onclick="myfunction(this)"></a>
> <a class="link"
onclick="myfunction(this)"></a>
>
> Thanks
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Thanks!  cool.  I was doing this stupid loop with a conditional
statement

On Apr 30, 11:34 pm, kangax
<kan...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> var links = $$(''.link'');
> links.invoke(''observe'', ''click'',
function(e) {
>   console.log(links.indexOf(e.currentTarget)); // will log index of
> clicked element
>
> })
>
> - kangax
>
> On Apr 30, 8:14 pm, smartcookie
<dpell.h...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> > I have a question:
>
> > How do you return the selected index of an array of
> > elementsbyclassname on the element that execute an onclick event?
>
> > lets say :
>
> > <a class="link"
onclick="myfunction(this)"></a>
> > <a class="link"
onclick="myfunction(this)"></a>
> > <a class="link"
onclick="myfunction(this)"></a>
>
> > Thanks
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