angular event emitter

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showing results for - "angular event emitter"
Emilie
16 Nov 2016
1  @Output() open: EventEmitter<any> = new EventEmitter();
2
3
4  toggel() {
5  	this.open.emit(null);
6  }	
Frieda
14 Jan 2020
1@Component({
2    selector : 'child',
3    template : `
4        <button (click)="sendNotification()">Notify my parent!</button>
5    `
6})
7class Child {
8    @Output() notifyParent: EventEmitter<any> = new EventEmitter();
9    sendNotification() {
10        this.notifyParent.emit('Some value to send to the parent');
11    }
12}
13
14@Component({
15    selector : 'parent',
16    template : `
17        <child (notifyParent)="getNotification($event)"></child>
18    `
19})
20class Parent {
21    getNotification(evt) {
22        // Do something with the notification (evt) sent by the child!
23    }
24}
Andrea
21 Jun 2017
1<component
2  (open)="open($event)"
3></component>
Alessia
24 Jan 2018
1Data flows into your component via property bindings and flows out of your component through event bindings. If you want your component to notify his parent about something you can use the Output decorator with EventEmitter to create a custom event.
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