Extending Angular.js controller

 When working in Angular applications you might need to create multiple controllers at first then you realise some of them perform similar tasks. By creating a base controller and extending its behaviour in other controllers you can minimise code. 

 module.controller('CtrlImplAdvanced', ['$scope', '$controller', function ($scope, $controller) {

    // Initialize the super class and extend it.

    angular.extend(this, $controller('CtrlImpl', {$scope: $scope}));

    … Additional extensions to create a mixing. 


The logic within the parent controller is also executed when it is created. If the extended controller has a lot of arguments then these arguments needs to be typed in the extending controller method signature. This is taken care by Angular dependency injection. You need to inject $scope.

(function(angular) {

var module = angular.module('stackoverflow.example',[]);

module.controller('simpleController', function($scope, $document) {

this.getOrigin = function() {

return $document[0].location.origin;



module.controller('complexController', function($scope, $controller) {

angular.extend(this, $controller('simpleController', {$scope: $scope}));



<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.15/angular.js"></script>

<div ng-app="stackoverflow.example">

    <div ng-controller="complexController as C">

        <span><b>Origin from Controller:</b> {{C.getOrigin()}}</span>