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?

492

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

473

Where is npm?

455

Why are callback functions used?

499

What is req res?

418

What is the difference between spawn and fork?

464

What is callback function in nodejs?

467

What is repl? What purpose it is used for?

494

What is rest api in node js?

450

What is a node process?

455

What is difference between javascript and nodejs?

469

What is node js web server?

502

What is difference between node and server?

500

Who owns nodejs?

465

What is process env port?

500

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Un-Answered Questions { Node.js }

What is the purpose of node.js module.exports?

455

How to run multiple node js files?

744

Explain the difference between const and let in node js?

450

Is rails still relevant 2019?

433

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

491

Explain 'Event Emitter' in Node.JS?

499

How node.js works?

479

How many types of streams are available in node.js?

470

What are lts releases? Why are they important?

431

What is the purpose of cleartimeout function?

451

What is promise-all in node.js?

455

Tell me how to use underscore.js as a template engine?

439

How to create an Http server using Express?

477

How to check the already installed dependencies using npm?

461

Explain node.js event loop?

470

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