/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

27 votes237 views3 answers
Setup new angular project
Javascript AngularJS
0 vote218 views1 answer
Angularjs component stackoverflow
Javascript AngularJS
0 vote266 views2 answers
Angularjs - controllerAs
Javascript AngularJS
0 vote231 views1 answer
Angular build deploy url
Javascript AngularJS
0 vote214 views2 answers
Angular js parse json
Javascript AngularJS
0 vote232 views1 answer
How to pass data in body of delete request angular
Javascript AngularJS
1 vote181 views1 answer
Angular form set value without fire event
Javascript AngularJS
0 vote248 views1 answer
Retrieve list by id from firebase angular
Javascript AngularJS
0 vote218 views1 answer
Angular 2 on data bound event equivalent
Javascript AngularJS
0 vote209 views1 answer
@angular/[email protected] node_modules/@angular/common @angular/common@"11.2.1" from the root project
Javascript AngularJS