Let’s focus on answering these questions:
- What is a higher-order Observable?
- What are inner and outer Observables?
- And what is the purpose of a higher-order mapping operator, such as mergeMap or switchMap?
By mastering these concepts, we can better leverage RxJS to build more declarative and reactive Angular applications.
Find the full post here: https://blogs.msmvps.com/deborahk/higher-order-observable/
To learn more about RxJS, check out my Pluralsight course: “RxJS in Angular: Reactive Development”. You can find it at this URL: https://app.pluralsight.com/library/courses/rxjs-angular-reactive-development