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?

557

What is Event-driven programming?

541

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

538

What is REPL in Node.js?

567

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

519

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

526

What is the difference between Asynchronous and Non-blocking?

556

What is Tracing in Node.js?

522

How will you debug an application in Node.js?

545

Difference between setImmediate() vs setTimeout()?

559

What is process.nextTick()

565

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

632

What is libuv?

518

What is Node.js?

517

Who has developed Node.js?

513

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Un-Answered Questions { Node.js }

What are the purposes of console object in node.js?

535

How do you access the last expression in node.js?

561

Explain repl in the context of node.js.

490

What is the role of assert in node.js?

573

What language does uber use?

475

What are the important events of net.Socket in Node.js?

540

What are Events and Event Emitters in node.js?

592

What are the security mechanisms available in Node.js?

519

How will you convert a Buffer to JSON in Node.js?

500

What is a blocking code in node.js?

583

What function are arguments available to express js route handlers?

520

Does facebook use node.js?

575

What does node.js tty module contains?

563

What is io.js?

607

What is File System module in Node.js?

534

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