Pipes & directives in Angular: interview exercises

Pipes & directives in Angular: 5 test-checked interview exercises (Built-in pipes, A custom pipe), each beside a worked example, with tests as you go. Free.

1. Built-in pipes
2. A custom pipe
3. A pipe that must not mutate
4. An attribute directive
5. A directive that renders

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
• Forms
• RxJS interop
• HttpClient

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