Mid From PDF Node.js Node.js

What are status codes?

Q: What are status codes?

Short answer: Name commonly used ones. HTTP status codes indicate the result of a request: Code Meaning 200 OK 201 Created 400 Bad Request 401 Unauthorized 403 Forbidden 404 Not Found 500 Internal Server Error 📌 Example code res.status(201).json({ message: 'User created successfully' }); Real-world example (ShopNest) A ShopNest BFF in Node.js aggregates catalog and price APIs for the React storefront. Say this in the interview Define — one clear sentence (the short answer above). Example — relate it to a project like ShopNest or your real work. Trade-off — when you would not use it.

Short answer: Name commonly used ones. HTTP status codes indicate the result of a request: Code Meaning 200 OK 201 Created 400 Bad Request 401 Unauthorized 403 Forbidden 404 Not Found 500 Internal Server Error 📌

Example code

res.status(201).json({ message: 'User created successfully' });

Real-world example (ShopNest)

A ShopNest BFF in Node.js aggregates catalog and price APIs for the React storefront.

Say this in the interview

Define — one clear sentence (the short answer above).
Example — relate it to a project like ShopNest or your real work.
Trade-off — when you would not use it.

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