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

Node.js Interview Questions

Questions Answers Views Company eMail

How can you avoid callback hells?

532

How much does it cost to develop an app like uber?

515

Where is npm?

487

Why are callback functions used?

543

What is req res?

456

What is the difference between spawn and fork?

487

What is callback function in nodejs?

520

What is repl? What purpose it is used for?

531

What is rest api in node js?

488

What is a node process?

494

What is difference between javascript and nodejs?

515

What is node js web server?

534

What is difference between node and server?

549

Who owns nodejs?

512

What is process env port?

533

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Un-Answered Questions { Node.js }

Which template engine is supported by express js?

481

What are the advantages of template engines?

487

What do you mean by asynchronous api?

474

Is nodejs really single-threaded

465

What functions are provided by fs module to perform I/O operations on a directory in node.js?

488

Who is the author of node js?

521

What Is Local Installation Of Dependencies?

521

Is nodejs easy?

518

Is node js a compiler?

523

Is callback function asynchronous?

520

How to generate unique uuids/ guid in node js?

502

How we can update npm to new version in node.js?

533

What are callback hells?

552

What is node js and how does it work?

476

Is node.js on multi-core machines?

493

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