AngularJS error message: 'Issue with 'MapCtrl' function - it is undefined'

Controllers.js
angular.module('starter.controllers',[])

.controller('AppCtrl',function($scope,$rootScope) {
    $rootScope.side_menu = document.getElementsByTagName("ion-side-menu")[0];

 $rootScope.$on('$stateChangeSuccess', function (event, toState, toParams, fromParams, toParams) {
if (toState.name != 'app.map') {
    $rootScope.side_menu.style.visibility = "visible";
}
});
})
.controller('MapCtrl',function($scope) {
    $rootScope.side_menu.style.visibility = "hidden";
})

New to Angular and Ionic. Have already browsed through similar questions on this issue. Thanks.

HTML

AppJS

javascriptangularjsionic-frameworkframeworks

Answer №1

Make sure to remove the ; in app.js when referencing the controller MapCtrl.

The correct format is 'MapCtrl', without the semicolon, as shown in the example:

    .state('app.map,{
      url:"/map",
      views: {
      'menuContent' :{
      templateUrl: "templates/map.html",
      controller: 'MapCtrl'
      }
     }
    })

P.S. Don't forget to inject $rootScope inside MapCtrl to prevent getting a 

ReferenceError: $rootScope is not defined

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