Angular - HTTP Client
Which RxJS operator is commonly used inside Angular services to catch HTTP errors?
Which RxJS operator is commonly used inside Angular services to catch HTTP errors?
easy🧠 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Recall RxJS operators for error handling
ThecatchErroroperator is specifically designed to catch errors in observable streams.Step 2: Confirm usage in HTTP calls
Angular HTTP calls return observables, socatchErroris used to handle errors emitted by these observables.Final Answer:
catchError -> Option DQuick Check:
RxJS error operator = catchError [OK]
Quick Trick: Use catchError to handle HTTP errors in observables [OK]
Common Mistakes:
MISTAKES- Using map to catch errors
- Confusing tap with error handling
- Using filter which filters values, not errors
Master "HTTP Client" in Angular
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