Angular 1 core concept was $scope, and you will not find $scope in angular 2.0. Angular 2 is using . . . . . . . . to detect changes.

Angular 1 core concept was $scope, and you will not find $scope in ang

1.	Angular 1 core concept was $scope, and you will not find $scope in angular 2.0. Angular 2 is using . . . . . . . . to detect changes.
A.	zone$.js
B.	Scope.js
C.	zone.js
D.	zones.js
Answer» D. zones.js