}

> Could anyone explain to me in what situations 'this' should be bound
> and perhaps provide a few examples? I keep running into problems in
> writing classes and I think that my lack of understanding of when and
> how to use it is one of the major difficulties. I've looked at the
> documentation in the mootorial and in the docs section, but the
> explanations on binding are cursory at best. Any help would really be
> appreciated. Thanks.

> As I understand it, .bind lets you pass a variable to the bound
> function, making the "this" within the function refer to the bound
> variable...

> $('netTween_set').addEvent('click', newTweenSet.bind(newTween));

> In this case, newTween is the tween object and newTweenSet is the
> function.

> Now, inside the function newTweenSet, using "this" will refer to
> newTween, letting you write something like this:

> var newTweenSet = function() {
>         this.start('width', '300px');

> }

> Hope this answers your question.

> On Aug 26, 1:51 pm, VirtuosiMedia <cont...@virtuosimedia.com> wrote:

> > Could anyone explain to me in what situations 'this' should be bound
> > and perhaps provide a few examples? I keep running into problems in
> > writing classes and I think that my lack of understanding of when and
> > how to use it is one of the major difficulties. I've looked at the
> > documentation in the mootorial and in the docs section, but the
> > explanations on binding are cursory at best. Any help would really be
> > appreciated. Thanks.

});

}.bind(this));

> hi,

> just a word because i think the question could concern the bind usage
> inside a class
> a little example, a very, very useful class :)))
> #############"
> var toto = new Class ({

>         Implements: Options,

>         options: {
>                 message: "toto"
>         },

>         initialize: function(elem, options){
>                 this.setOptions(options);
>                 this.alternateMessage = "a message";
>                 this.elem = elem;
>                 this.elem.addEvent('click', function(){
>                         this.alternateMessage = "other message";
>                         this.aMethod();
>                 }.bind(this));
>         },

>         aMethod: function(){
>                 alert(this.options.message);
>         }

> });

> ##################
> in this class, you can see two effects of this binding in this
> function

> this.elem.addEvent('click', function(){
>     this.alternateMessage = "other message";
>     this.aMethod();

> }.bind(this));

> - this.alternateMessage is now changed for the whole class, not only
> inside the fucntion as this refers to the class
> - without binding the click function with .bind(this) the result would
> be "this.alternateMessage has no properties", "this.aMethod() is not a
> function"
> binding the function to the class (this) allows it to use any method
> or this.var set inside it

> hope it'll help

> have swing