[Solved] Which of the following is the correct syntax to use catchError inside an Observable pipe? - Ans: observable.pipe(catchError(error => of('Error caught'))) | Angular

Angular - RxJS Operators

Which of the following is the correct syntax to use catchError inside an Observable pipe?

AcatchError(observable, error => of('Error caught'))

Bobservable.catchError(error => of('Error caught'))

Cobservable.pipe(catchError(error => of('Error caught')))

Dobservable.pipe(catchError => error => of('Error caught'))

Step-by-Step Solution

Solution:

Step 1: Recall the correct usage of catchError
catchError is used inside pipe() and takes a function with an error parameter returning a new Observable.
Step 2: Identify the correct syntax
observable.pipe(catchError(error => of('Error caught'))) correctly uses pipe(catchError(error => of('Error caught'))). Other options misuse method chaining or syntax.
Final Answer:
observable.pipe(catchError(error => of('Error caught'))) -> Option C
Quick Check:
Use catchError inside pipe() [OK]

Quick Trick: Always use catchError inside pipe() with a function [OK]

Common Mistakes:

MISTAKES

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Which of the following is the correct syntax to use catchError inside an Observable pipe?