title: [VIDEO] What are Higher-order Observables and flattening operators in #RxJS (mergeMap, switchMap, concatMap). published: true description: What are Higher-order Observables and flattening operators in #RxJS (mergeMap, switchMap, concatMap) video from my video-course “Hands-on RxJS” tags: rxjs,angular,webdev,beginner cover_image: https://thepracticaldev.s3.amazonaws.com/i/5paw2dw8j4zbq2yj67r8.png

Another free video from my "Hands-on RxJS" video course on Udemy!

Learn what are higher-order Observables and which operator functions can help us to get benefits from them!

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