rxjs observable subscribe code example
Example 1: rxjs .subscribe
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import { interval } from 'rxjs';
const observable = interval(1000);
const subscription = observable.subscribe(x => console.log(x));
// Later:
// This cancels the ongoing Observable execution which
// was started by calling subscribe with an Observer.
subscription.unsubscribe();
Example 2: rxjs create observable from value
// Requires RXJS 6+
// Create an observable of any Type
// Ask yourself if the function creates a new observable or not
// If it creates a new one then it is imported from 'rxjs'
// Operators are imported from 'rxjs/operators'
import { of } from 'rxjs';
// T => Observable<T>
const value$ = of(1);