The difference is onclick="doSomething()" runs doSomething() in the global scope. Not good! ng-click="doSomething()" runs doSomething() in the scope of the con

The difference is onclick="doSomething()" runs doSomething() in the global scope. Not good! ng-click="doSomething()" runs doSomething() in the scope of the controller that contains the element. Good!