Chris,
Many thanks! I did not know about 'first-child' or '>' ... have been using
$$('a'), $$('#foo'), etc for grabbing arrays of links, divs, etc. ...this
takes it a step further! ...the power of Prototype is awesome.
cheers,
Mark
On 6/3/07, Christophe Porteneuve <[EMAIL PROTECTED]> wrote:
>
>
> Mark Holton a écrit :
> > Wild. ...can I trouble you for a short explanation on that, Chris?
>
> Sure thing.
>
> > $$('#box > *:first-child a.tooltip')
>
> A bona-fide CSS3 selector:
>
> #box -> filters on a container with id="box"
> > -> following selector must pertain on child, not descendant
> * -> we don't care about the tag name
> :first-child -> CSS3 pseudo-class that restricts the previous
> selection to first children only, hence the
> equivalence with .firstDescendant()
> (space) -> now we can go to any depth
> a.tooltip -> a-tag elements with a "tooltip" CSS class
>
> > Selector.findElements($('box').firstDescendant(), ' a.tooltip')
>
> $$(...) is basically Selector.findElements(document, ...).
>
> This method performs the selection within the scope of the DOM node it
> takes as its first argument. So using it explicitly lets you specify
> the scope.
>
> 'HTH
>
> --
> Christophe Porteneuve a.k.a. TDD
> "[They] did not know it was impossible, so they did it." --Mark Twain
> Email: [EMAIL PROTECTED]
>
> >
>
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