Peter Michaux wrote:
> On 12/16/06, RobG <[EMAIL PROTECTED]> wrote:
>
> > > <pseudocode>
> > >
> > > function attachMyObserver() {
> > > function handler(){}
> > > attach("myDiv", 'click', handler);
> > > }
> > >
> > > </pseudocode>
> > >
> > > So it isn't an anonymous function but a named inner function. Now how
> > > would i detach just that handler? There isn't a reference to it
> > > outside the outer function.
> >
> > The reference is 'handler', you pass it in the call, it creates a
> > closure back to the outer function.
>
> So what is the syntax to do this?
>
> <pseudocode>
>
> function attachMyObserver() {
> function handler(){}
> attach("myDiv", 'click', handler);
> }
>
> attachMyObserver();
> detach('myDiv', 'click', handler);
>
> </pseudocode>
var fn = (function(){
function handler(){...}
return {
addHandler : function(el, eType){
attach(el, eType, handler);
},
delHandler : function(el, eType){
detach(el, eType, handler);
}
};
})();
fn.addHandler(...);
fn.delHandler(...);
QED :-)
There are other (probably less efficient) methods but the principle is
the same.
--
Rob
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