Node.js · Junior · Question 73 of 75

Which statement about `console.log` in a high-traffic server is true?

1It does nothing in production mode
✓Correct answer: It's fine for debugging, but production apps usually use a structured logger like Pino with log levels
3It's the fastest possible logging method, so it's always preferred

Explanation

Structured JSON logs with levels (info, warn, error) and fields like request ID are easy to search and filter in log systems.

Further reading

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