/Javascript/AngularJS/Send event to child component angular

Send event to child component angular

Parent-Component

eventsSubject: Subject<void> = new Subject<void>();

emitEventToChild() {
  this.eventsSubject.next();
}


Parent-HTML

<child [events]="eventsSubject.asObservable()"> </child>


Child-Component

private eventsSubscription: Subscription;

@Input() events: Observable<void>;

ngOnInit(){
  this.eventsSubscription = this.events.subscribe(() => doSomething());
}

ngOnDestroy() {
  this.eventsSubscription.unsubscribe();
}

Source: stackoverflow.com

Similar codes

1 vote123 views1 answer
Create an array of numbers by numbers range in angular
Javascript AngularJS
0 vote221 views1 answer
Mixed line chart for angular or react
Javascript AngularJS
0 vote189 views1 answer
Angular cannot access event.target.value of input element using $event
Javascript AngularJS
0 vote119 views1 answer
ANGULAR locale fr
Javascript AngularJS
16 votes138 views6 answers
Generate a component in angular
Javascript AngularJS
12 votes115 views2 answers
Angular string contains
Javascript AngularJS
1 vote108 views1 answer
Angular remove item from localstorage
Javascript AngularJS
0 vote119 views1 answer
Angular subscribe on value change
Javascript AngularJS
1 vote114 views1 answer
Angular create component without test
Javascript AngularJS
0 vote117 views1 answer
Change icon on click angular
Javascript AngularJS