/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

13 votes170 views2 answers
Import angular flex layout
Javascript AngularJS
0 vote164 views1 answer
Sonarqube for angular application
Javascript AngularJS
2 votes181 views2 answers
How to use moment in angular 8
Javascript AngularJS
27 votes350 views6 answers
How to make a component reload in angular
Javascript AngularJS
0 vote169 views1 answer
Angular subscribe on value change
Javascript AngularJS
0 vote158 views2 answers
Angular router navigate base href
Javascript AngularJS
0 vote178 views1 answer
Change icon on click angular
Javascript AngularJS
0 vote162 views1 answer
Angular convert response to json
Javascript AngularJS
0 vote164 views3 answers
Angular subscribe and unsubscribe
Javascript AngularJS
0 vote166 views1 answer
Angular mat datepicker timezone
Javascript AngularJS