scope vs $scope

[Perry Poon]

what's the difference between scope and $scope if scope is set to be isolated in link function of directives?

[Sander Elias]

Hi Perry,

Nothing but convention. There is no difference in the way you can use it. However, there is a difference in the way they get passed to the link function as opposed to the controllers. The controllers get their parameters through the dependency injection system, while link function get called with a fixed set off parameters, where the order of the parameters is fixed.

inside the link function or controller there is no difference whatsoever.

Regards

Sander Elias  

[Perry Poon]

Thanks for your reply;)

You mean scope and $scope are refereed to the same object if I declare

scope: {}

in the directive or different object? and which object they are refereed to?

在 2013年8月20日星期二UTC+8上午12时52分43秒，Sander Elias写道：

[Jose Luis Rivas]

On 8/19/13 12:35 PM, Perry Poon wrote:
> Thanks for your reply;)
>
> You mean scope and $scope are refereed to the same object if I declare
>
> scope: {}
>
> in the directive or different object? and which object they are refereed to?

You can inject $scope and use it as scope. I mean:

```
angular.controller('DummyCtrl', ['$scope', '$rootScope', function(scope,
INameItWhateverIWant) {
scope.prototypeFunction; // This is like using $scope.prototypeFunction
INameItWhateverIWant.h; // Like $rootScope.h
...
});
```


--
Jose Luis Rivas
http://joseluisrivas.net/

[Sander Elias]

Errr.....

No, in case of an isolated scope, those are different ones. They call it an isolated scope for a reason!

If you ask for an isolated scope, you get a fresh new shiny scope object. There is no link with the $scope that's outside the directive.

does that answer your question?

Regards

Sander

[Perry Poon]

So what is $scope in a directive which has a isolated scope?

--
You received this message because you are subscribed to a topic in the Google Groups "AngularJS" group.
To unsubscribe from this topic, visit https://groups.google.com/d/topic/angular/-w6FAkpDYzM/unsubscribe.
To unsubscribe from this group and all its topics, send an email to angular+u...@googlegroups.com.
To post to this group, send email to ang...@googlegroups.com.
Visit this group at http://groups.google.com/group/angular.
For more options, visit https://groups.google.com/groups/opt_out.

[Sander Elias]

an undefined variable.

[Sander Elias]

Unless you renamed the default form.

if you do something like this, it will be undefined:

    app.directive("sample", function () {

        return {

            scope : {}, //isolated scope

            link : function (scope, iElement, iAttrs) {

                //in here $scope is undefined..

                //even if you don't choose to isolate your scope, it will be called 

                // scope in stead of $scope.

            }

        };

    });

regards

Sander

[Perry Poon]

Thanks, I think now I understand it.

Thanks again.

--

[macha devendher]

Thank you very much sander elias