Interview question related to angular developing/javascript

Can you please help in the real life scenario with the examples (2 example answers for this question please:)

1. What are your biggest challenges faced as angular developer in your projects? Please describe the project, what was the challenge and why it was a challenge, what steps you took to solve the problem and what did you learn from this. Please give the 2 different examples

2. tell me something about yourself as a developer

3. what was your favourite project and why it is your favourite project.