[Solved] How can you handle token expiration globally using an interceptor in Angular? - Ans: Check HTTP response status for 401 and redirect to login | Angular

Angular - HTTP Client

How can you handle token expiration globally using an interceptor in Angular?

AAdd token to every request without checking expiration

BCheck HTTP response status for 401 and redirect to login

CRemove token from local storage on every request

DIgnore 401 errors and retry requests automatically

Step-by-Step Solution

Solution:

Step 1: Understand token expiration handling
Expired tokens cause 401 Unauthorized responses from server.
Step 2: Use interceptor to catch 401 responses and redirect
Intercept responses, detect 401 status, and redirect user to login page.
Final Answer:
Check HTTP response status for 401 and redirect to login -> Option B
Quick Check:
Handle 401 globally = redirect login [OK]

Quick Trick: Intercept 401 responses to handle expired tokens [OK]

Common Mistakes:

MISTAKES

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How can you handle token expiration globally using an interceptor in Angular?