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How can HttpClient help handle errors globally in an Angular app?

hard🚀 Application Q9 of 15
Angular - HTTP Client
How can HttpClient help handle errors globally in an Angular app?
ABy wrapping every HTTP call in try-catch blocks
BBy using an HTTP interceptor to catch and process errors
CBy disabling error handling in HttpClient
DBy returning null on all HTTP errors
Step-by-Step Solution
Solution:
  1. Step 1: Recognize global error handling method

    HttpClient interceptors can catch errors from all HTTP requests globally.

  2. Step 2: Evaluate other options

    Try-catch does not work with Observables; disabling error handling or returning null is not standard practice.

  3. Final Answer:

    By using an HTTP interceptor to catch and process errors -> Option B
  4. Quick Check:

    Global error handling = interceptors = A [OK]
Quick Trick: Use interceptors for global HTTP error handling [OK]
Common Mistakes:
MISTAKES
  • Using try-catch with Observables
  • Disabling error handling
  • Returning null silently on errors

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