Node.js Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Node.js Interview Questions

Questions Answers Views Company eMail

What is Node.js? What is it used for?

561

What is Event-driven programming?

545

What is Event loop in Node.js work? And How does it work?

542

What is REPL in Node.js?

572

What is the purpose of module.exports in Node.js?

526

What is require in Node.js? How will you load external files and libraries in Node.js?

533

What is the difference between Asynchronous and Non-blocking?

563

What is Tracing in Node.js?

528

How will you debug an application in Node.js?

554

Difference between setImmediate() vs setTimeout()?

565

What is process.nextTick()

572

What is package.json? What is it used for?

636

What is libuv?

522

What is Node.js?

521

Who has developed Node.js?

522

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Un-Answered Questions { Node.js }

How will you read a file using node?

549

How do you truncate a file using node.js?

586

How will you read a directory?

536

How we can convert Buffer to JSON?

537

What are uses of path module in Node.js?

507

How to handle the “unhandled exceptions” in node.js?

656

Why is yarn better than npm?

526

Why zlib is used in node js?

598

What does an http server do?

598

Explain the role of repl in node.js?

521

How to create a module in node js?

513

What is error-first callback?

522

What is the use of Express Router Class?

535

What is node.js process?

538

What is the use of express js?

636

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