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The Two Merges

Explore the use of merge as both a constructor and operator in RxJS to manage asynchronous event streams. Understand how the scan operator emits intermediate results during event processing, enabling dynamic updates like loading bars that reflect progress as each request completes.

The two merges

In the below example, merge is used as a constructor (a way to create a new observable).

In cases where everything starts at the same time (like the loading bar), merge used as a constructor is simpler than ...