HttpClient in Angular: interview exercises

HttpClient in Angular: 5 test-checked interview exercises (GET into a signal, httpResource), each beside a worked example, with tests as you go. Free.

1. GET into a signal
2. httpResource
3. A service that posts
4. Retry, then fall back
5. An interceptor adds the token

Each exercise pairs a worked example with a twin problem to solve in a real editor; the tests run the moment you do. Progress is saved in your browser, and in your account if you sign in.

More Angular topics

• Components & templates
• Signals
• Inputs & outputs
• Dependency injection
• Pipes & directives
• Forms
• RxJS interop

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