I would say yes . Especially if you are thinking of learning Angular. because Angular heavily use RXJS component, specially Observables. It is worth notice that so far Observable are the best way of handling asynchronous data in javascript.
Read moreWhat is RxJS in JS?
RxJS (Reactive Extensions for JavaScript) is a library for reactive programming using observables that makes it easier to compose asynchronous or callback-based code .
Read moreIs RxJS a TypeScript?
It’s an interesting fact to know that the RxJS project is using TypeScript actively and it helped to find bugs when the library was migrating from JavaScript.10 Ara 2020
Read moreWhat subscribe do in Angular?
Normally Subscription means an arrangement to receive something . Similarly, in Angular applications Observables will be connected to observers and whenever they observe a new value or change in data, they will execute code with the help of Subscription and all the subscribed components will receive the updated outcome.
Read moreWhat is subscribe in Observable?
The Subscribe operator is the glue that connects an observer to an Observable . In order for an observer to see the items being emitted by an Observable, or to receive error or completed notifications from the Observable, it must first subscribe to that Observable with this operator.
Read moreDoes RxJS first unsubscribe?
The RxJS first() operator waits until the first value is emitted from an observable and then automatically unsubscribes , so there is no need to explicitly unsubscribe from the subscription.
Read moreWhat is subscribe in RxJS?
The RxJS Subscribe operator is used as an adhesive agent or glue that connects an observer to an Observable . An observer must be first subscribed to see the items being emitted by an Observable or to receive an error or completed notifications from the Observable.
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