/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

0 vote277 views1 answer
Saveas angular 6
Javascript AngularJS
0 vote242 views1 answer
How to write a test case for dropdown selection change in angular 9
Javascript AngularJS
0 vote259 views1 answer
New date in interpolation angular
Javascript AngularJS
0 vote268 views1 answer
Backtick in angular
Javascript AngularJS
0 vote292 views1 answer
Angular json to file and download
Javascript AngularJS
0 vote292 views1 answer
Check textbox value on ng-change value == in angular
Javascript AngularJS
0 vote278 views1 answer
Angular input type text character limit
Javascript AngularJS
0 vote262 views1 answer
Url builder angularjs
Javascript AngularJS
47 votes359 views6 answers
Adding bootstrap to angular
Javascript AngularJS
0 vote245 views4 answers
Angular for loop
Javascript AngularJS