Take a look here:
http://jsbin.com/ayivo
I've commented the steps I took. Its a bit hackish but the behaviour is what
you're looking for. I'm sure a better way exists.
Rick
On Wed, Jun 17, 2009 at 8:01 AM, BaBna <thomas.na...@gmail.com> wrote:
>
> Hi,
>
> I would like to be able to trigger a function when the value of a
> hidden field is changed through val() - and I want this event to be
> attached to the field itself, not to the val() action.
> As events are only users' triggered a hidden field doesn't trigger
> onchange natively. I have seen a lot of implementations using various
> plug-ins for mutation events, but was not very happy about them -
> they're heavy and I got some errors.
> Therefore I have added a line at the very end of the val() function:
>
> if(o.nodeName(this,"select")){
> ...
> }
> else{
> this.value=K;
> // Here's my line:
> if(this.type=='hidden'){$(this).change()}
> }
> }
> }
> )}
>
> That works fine in IE6, FF and Chrome - haven't tested on other
> browser.
> Would it be useful to add this?
>
> Thanks!
>
> Here's an example:
> <html>
> <head>
> <script type="text/javascript" src="_shared/js/jquery-1.3.2.min.js"></
> script>
> <script type="text/javascript">
> $(function(){
> $("#hiddenField").change(function(e){
> alert($(this).val());
> });
> setTimeout('$("#hiddenField").val("wooloo");',2000);
> });
> </script>
> </head>
> <body>
> <input type="hidden" id="hiddenField" value="BaBna" /><br />
> </body>
> </html>
>
> >
>
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