Angular - HTTP Client
You want to add a custom header 'X-App-Version' with value '1.0' to all outgoing HTTP requests in your Angular app. Which is the best way to do this?
You want to add a custom header 'X-App-Version' with value '1.0' to all outgoing HTTP requests in your Angular app. Which is the best way to do this?
hard🚀 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Understand global header addition
Manually adding headers everywhere is error-prone and repetitive.Step 2: Use interceptor for centralized modification
Interceptors allow modifying all requests in one place by cloning and setting headers, then registering globally.Final Answer:
Create an interceptor that clones requests and sets the header, then register it globally -> Option CQuick Check:
Global header addition = interceptor + clone + register [OK]
Quick Trick: Use interceptor to add headers globally [OK]
Common Mistakes:
MISTAKES- Adding headers manually in every call
- Trying to modify HttpClient directly
- Using components for HTTP header changes
Master "HTTP Client" in Angular
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