Harshal Limaye
What is the difference between switchMap, concatMap and mergeMap in RxJS?

What is the difference between switchMap, concatMap and mergeMap operators in RxJS?

By Harshal Limaye in Angular on Jan 03 2021
  • Pranam Bhat
    May, 2021 24

    flatMap/mergeMap - creates an Observable immediately for any source item, all previous Observables are kept alive concatMap - waits for the previous Observable to complete before creating the next one switchMap - for any source item, completes the previous Observable and immediately creates the next one exhaustMap - source items are ignored while the previous Observable is not completed

    • 0


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