You are building a real-time dashboard that fetches data from multiple sources. You want to update the UI as soon as any of the data sources emit a new value. Which RxJS operator would be most suitable for this use case?
- concatMap
- exhaustMap
- mergeMap
- switchMap
In this scenario, you should use switchMap, which switches to the latest observable whenever a new one arrives, effectively updating the UI as soon as any source emits new data.
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