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What is logging in Node.js applications?

Logging records application events, errors, and important information for debugging and monitoring. Popular logging libraries include Winston and Pino. Production applications use structured logging to analyze failures and performance issues.

Related Drills

How would you handle global error boundaries in Express or Node.js backend apps?

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What is Node.js and why is it used?

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What is the difference between Node.js and JavaScript?

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JB

Jeevan Bhargav

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This answer is calibrated for technical interviews. Verify benchmarks in local sandboxes before deploying.