A visual guide to switchMap and "higher order" observables
My Angular course: https://angularstart.com/
In this video we take a look at how switchMap and other flattening operators like concatMap and mergeMap can help us write declarative code by handling higher order observables for us.
Previous videos in this series
Part 1: • A visual guide to why DECLARATIVE cod...
Part 2: • A visual guide to changing without re...
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Want to build mobile apps with Angular?: https://ionicstart.com
0:00 Introduction
0:43 The request node
1:22 Why not 'map'?
2:56 Flattening operators
3:54 switchMap
5:26 mergeMap
5:52 concatMap
6:36 Conclusion
#angular #rxjs
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