Видео с ютуба Using A Function That Calls Observable With 3 Different Observables Tied Together With Switch Map. R

Observables in Angular 2 - scan, map, switchMap, share

Promises vs Observables in 2 minutes

RxJS switchMap() - The Best Operator to Manage Observable Streams

#68 What is an Observable | Understanding Observables & RxJS | A Complete Angular Course

Как использовать Observables в Angular с RxJS

Визуальное руководство по switchMap и наблюдаемым объектам «высшего порядка»

Solving the Observable Dilemma in Angular: Using switchMap for Nested Subscriptions

Map, switchMap, mergeMap, flatMap, concatMap, exhaustMap in RxJS - what is the difference?

WTF is a HOT observable?

Mastering the pipe Operator in Angular: Using Observable Functions with switchMap

Is it Better to Make an HTTP Call Inside an Observable? Here's What You Should Know!

Observable Presentation

a visual guide to switchmap and higher order observables

#69 Создание и использование Observable | Понимание Observable и RxJS | Полный курс по Angular

RxJS - Observable Creation Using "From" (#4)

RXJS Real Examples – 1. How to Use Observables to Manage User Data

#70 Error & Completion of Observable | Understanding Observables & RxJS | A Complete Angular Course