Top 50 NodeJS Interview Questions and Answers for 2024

Ravi Sharma
45 min readJan 9, 2024
Top 50 NodeJS Interview Questions and Answers for 2024 by Ravi Sharma

Prepare for your NodeJS interview with confidence!

In 2024, Node.js continues to be a dominant force in the world of server-side programming, with its versatility and performance making it an increasingly sought-after skill in the tech industry.

For anyone looking to excel in Node.js interviews this year, having a solid grasp of both fundamental concepts and the latest advancements is crucial.

To assist you in your preparation, we’ve curated a definitive list of the top 50 Node.js interview questions and their comprehensive answers. Let’s embark on a journey to master the essential principles and intricacies of Node.js development!

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Level -1: Basic

1. What is NodeJS?

2. What is Event Loop and how it works?

3. What are REPL and its uses?

4. Difference between package.json and package.lock.json files?

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