[Solved] How do you correctly apply catchError within an RxJS Observable pipeline in Angular? - Ans: observable$.pipe(catchError(error => of('Error handled'))) | Angular

Angular - RxJS Operators

How do you correctly apply catchError within an RxJS Observable pipeline in Angular?

Aobservable$.pipe(catchError(error => 'Error handled'))

Bobservable$.catchError(error => of('Error handled'))

CcatchError(observable$, error => of('Error handled'))

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

Step-by-Step Solution

Solution:

Step 1: Use pipe method
RxJS operators like catchError are used inside the pipe() method of an Observable.
Step 2: Return an Observable in catchError
The function passed to catchError must return an Observable, e.g., of('Error handled').
Final Answer:
observable$.pipe(catchError(error => of('Error handled'))) -> Option D
Quick Check:
Check for use of pipe and returning Observable [OK]

Quick Trick: Always use pipe() and return Observable in catchError [OK]

Common Mistakes:

MISTAKES

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