What is the difference between these two angular js controllers?

Question

When declaring a controller I usually see these:

University.controller('ClassroomController', function($scope){
//do stuff
});

What's the difference of it compared to:

var classroomController = function ($scope){
//do stuff
}

University.controller('ClassroomController',['$scope',classroomController])

The tutorials doesn't seem to say whats the advantage of the second type of declaration.

Answer 1

The first syntax will break if you minify your js. Angular will for exemple try to find $timeout but will find a

To prevent that, you have to declare explicitly or inline your dependencies