This is an example of how to use a custom service to facilitate communicate between multiple controllers using $rootscope as an event bus.
AngularJS 1.4.8, HTML, CSS, JavaScript
http://stackoverflow.com/questions/43603744/how-to-toggle-input-box-based-select-option-in-angular-js/43603993?noredirect=1#comment74258113_43603993
No-Library (pure JS), HTML, CSS, JavaScript
http://angularjs.org/
http://stackoverflow.com/questions/43184960/generate-dynamic-drop-down-with-options-from-angular-controller/43185155#43185155
http://stackoverflow.com/questions/43063725/angularjs-nested-ng-repeat-in-table/43064044#43064044
@Mistalis - StackOverflow
Keep track of current model value by using $scope Angular, AngularJS
Angular Example for sharing data between controllers
@Mistalis - Stackoverflow
Stackoverflow @Mistalis