Okay, then try this (wasteful but should do the job):
new PeriodicalExecuter(function(){ $$('.foo').invoke('addClassName', 'bar'); },
0.3);
There's also an event (not uniformly covered by the browsers) that is fired
when a DOM element is changed. Try observing DomSubtreeModified and hooking off
of that to fire your class modification.
Walter
On Oct 24, 2012, at 8:34 AM, Henrik Aagaard Sørensen wrote:
> Hi Walter.
>
> Thank you for your answer, however, I do not have the ability to change the
> Ajax-calls. It's external scripts which is being loaded.
>
> On Wed, Oct 24, 2012 at 2:32 PM, Walter Lee Davis <[email protected]> wrote:
> You can add this transformation in the onSuccess callback of your Ajax call:
>
> new Ajax.Updater('foo', '/get/more/foo', {onSuccess: function(){
> $$('.foo').invoke('addClassName', 'bar');
> });
>
> As long as you don't have a ton of DOM changes happening, this should just
> work. Otherwise, you may want to wrap it in a Defer to ensure that the DOM is
> stable before you run it.
>
> Walter
>
> On Oct 24, 2012, at 8:00 AM, Henrik Aagaard Sørensen wrote:
>
> > No, unfortunately it's not that.
> >
> > It's elements being loaded into the dom later. I'm already using dom:loaded
> > and I've placed the JS jus before </body> as the last element.
> > However, there are several Ajax-calls which later (in the future, after
> > everything is loaded) creates new elements (which I have no control over),
> > so I need to have Prototype adding specific class-names in elements which
> > fullfill CSS selector at all time.
> >
> > On Wed, Oct 24, 2012 at 1:57 PM, Walter Lee Davis <[email protected]>
> > wrote:
> > Can you describe what you mean by future elements on the page? Do you mean
> > elements that are later in the source order than the script? If so, that's
> > pretty simple:
> >
> > document.observe('dom:loaded', function(){
> > $$('div.foo').invoke('addClassName', 'bar');
> > });
> >
> > Walter
> >
> > On Oct 24, 2012, at 7:52 AM, Henrik Aagaard Sørensen wrote:
> >
> > > I'm trying to append a class via addClassName on future elements on a
> > > page with Prototype, however I do seem to struggle a bit with it. I know
> > > of jQuery's .live feature, but I cannot find a similar feature in
> > > Prototype.
> > >
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