emit function angular code example
Example 1: angular emit output
content_copy
@Component({
selector: 'zippy',
template: `
<div class="zippy">
<div (click)="toggle()">Toggle</div>
<div [hidden]="!visible">
<ng-content></ng-content>
</div>
</div>`})
export class Zippy {
visible: boolean = true;
@Output() open: EventEmitter<any> = new EventEmitter();
@Output() close: EventEmitter<any> = new EventEmitter();
toggle() {
this.visible = !this.visible;
if (this.visible) {
this.open.emit(null);
} else {
this.close.emit(null);
}
}
}
Example 2: angular emit
class EventEmitter<T> extends Subject {
constructor(isAsync?: boolean): EventEmitter<T>
emit(value?: T): void
subscribe(next?: (value: T) => void, error?: (error: any) => void, complete?: () => void): Subscription
}