EventEmitter class is used by directives and components to emit custom Events.

Related MCQs

• 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 . . . . . . .
• 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.
• 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 acts both as an observer and observable.
• @Output() myEvent = new EventEmitter();
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• You cannot use AngularJS directives to tell AnguluarJS how to mix the data into the HTML template.
• AngularJS can show or hide HTML depending on the state of data in the model. You do so using a set of AngularJS directives such as . . . . . . which are created specifically for that purpose.