[Solved] Which of the following is the correct syntax to use exhaustMap inside an RxJS pipe in Angular? - Ans: source$.pipe(exhaustMap(value => inner$)) | Angular

Angular - RxJS Operators

Which of the following is the correct syntax to use exhaustMap inside an RxJS pipe in Angular?

Asource$.pipe(exhaustMap(value => inner$))

Bsource$.exhaustMap(value => inner$)

CexhaustMap(source$, value => inner$)

Dsource$.pipe(map(exhaustMap(value => inner$)))

Step-by-Step Solution

Solution:

Step 1: Recall RxJS pipe usage
Operators like exhaustMap are used inside the pipe method: source$.pipe(operator).
Step 2: Check syntax correctness
source$.pipe(exhaustMap(value => inner$)) correctly uses exhaustMap as a function inside pipe with a mapping function.
Final Answer:
source$.pipe(exhaustMap(value => inner$)) -> Option A
Quick Check:
exhaustMap inside pipe = source$.pipe(exhaustMap(value => inner$)) [OK]

Quick Trick: Use exhaustMap inside pipe with a function [OK]

Common Mistakes:

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Which of the following is the correct syntax to use exhaustMap inside an RxJS pipe in Angular?