What does $scope.$apply() do?

Question

I\'ve been using $scope.$apply() to update the bindings for my models when I receive data through websockets in my Angular apps and it works. But what does it a

Answer 1

Simply put it:

1. (Optionally) Processes an expression you pass to it as an argument.
2. Calls $digest() on the $rootScope.

I also wrote a blog entry about what $apply, $digest and $watch do and how they work together

I hope that helps.