Do I need to “unwatch” scope variables when the scope is being destroyed?

Question

Below are the docs from angular. I\'m watching several variables that are part of this scope to build up a filter string for ng-grid. When this scope is being

Answer 1

I also think that this should be explicitely explained in the documentation. I've deduced that unwatching was unnecessary from the angular source code which always ignores the result of scope.$watch (in ngIf, ngShow, ngRepeat, etc.).