[Solved] Identify the error in this code snippet using tap:import { of } from 'rxjs'; import { tap } from 'rxjs/operators'; of(1, 2, 3).pipe( tap(console.log('Value')) ).subscribe(); | Angular

Angular - RxJS Operators

Identify the error in this code snippet using tap:

import { of } from 'rxjs';
import { tap } from 'rxjs/operators';

of(1, 2, 3).pipe(
  tap(console.log('Value'))
).subscribe();

AMissing import of map operator

Bpipe method is not called correctly

Ctap is called with the result of console.log instead of a function

Dsubscribe is missing a callback function

Step-by-Step Solution

Solution:

Step 1: Analyze tap argument
The code calls console.log('Value') immediately, passing its result (undefined) to tap.
Step 2: Correct usage of tap
tap expects a function to be passed, e.g. tap(value => console.log('Value', value)).
Final Answer:
tap is called with the result of console.log instead of a function -> Option C
Quick Check:
tap argument must be a function, not a function call [OK]

Quick Trick: Pass a function to tap, not the result of a function call [OK]

Common Mistakes:

MISTAKES

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Identify the error in this code snippet using tap: