rxjs observables subscrib code example

Example 1: emit new value observable

const observable = new BehaviorSubject("initial value");

observable.subscribe({
    next: (value) => console.log("The value is: ", value)
});

observable.next("a new value");

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);