An Observable is basically a function that can return a stream of values either synchronously or asynchronously to an observer over time. The consumer can get the value by calling subscribe() method. Let’s look at a simple example of an Observable
1 2 3 4 5 6 7 8 9 | import { Observable } from 'rxjs'; const observable = new Observable(observer => { setTimeout(() => { observer.next('Message from a Observable!'); }, 3000); }); observable.subscribe(value => console.log(value)); |
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