Angular framework provides event binding using in-built event as well as custom event. Custom events are the EventEmitter instances. To create a custom event we need to create an instance of EventEmitter annotated by . . . . . . .

Related MCQs

• EventEmitter class’s simple interface, which basically encompass two methods . . . . . . . . . can therefore be used to trigger custom events and listen to events as well, both synchronously or asynchronously.
• EventEmitter class is used by directives and components to emit custom Events.
• Angular 1 core concept was $scope, and you will not find $scope in angular 2.0. Angular 2 is using . . . . . . . . to detect changes.
• Angular 1 core concept was $scope, and you will not find $scope in angular 2.0. Angular 2 is using . . . . . . . . to detect changes.
• Events in Angular 2 behave like normal DOM events. They can bubble up but cannot propagate down.
• Events on child elements are propagated upwards, and hence event binding is also possible on a parent element.
• These directives can be used to create custom HTML tags that serve as new, custom widgets. AngularJS has built-in directives such as ngBind, ngModel, etc.
• What angular function is used to manually start up an angular application?
• What angular function is used to manually start up an angular application ?
• At framework level, how does Angular retrieve the matching elements for processing?