Behavior of controller inside directives

Question

I know that a $scope from a controller can be shared to a link function in directives.

For example, in this code I can call a

Answer 1

See updated plunker: http://plnkr.co/edit/pT8rEDz7gWKUPYIZhUYA?p=preview

1. Yes, this is the same scope. The id's are the same, and you can see that the contents were updated.
2. The implications of a shared scope is that it's hard to track down who changed what. I would highly recommend that your directives use an isolate scope.
3. Feel free to manipulate the DOM. Tracking down changes will be a fun exercise... I would also highly recommend against any DOM manipulation. I would segregate DOM manipulation from other activities by wrapping them up in a directive.

One of Angular's strong points is directives, so I would use them wherever possible to separate your concerns.