element.data('$injector') returns undefined when manually bootstrapped and directive is on the same element · Issue #10556 · angular/angular.js · GitHub
angular.element($0).scope() can't be accessed in Firefox · Issue #14807 · angular/angular.js · GitHub
![angularjs - Difference between angular.element().scope().$root and angular. element().injector().get('$rootScope') - Stack Overflow angularjs - Difference between angular.element().scope().$root and angular. element().injector().get('$rootScope') - Stack Overflow](https://i.stack.imgur.com/fPfuO.png)