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?

558

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

550

Where is npm?

534

Why are callback functions used?

569

What is req res?

500

What is the difference between spawn and fork?

522

What is callback function in nodejs?

550

What is repl? What purpose it is used for?

554

What is rest api in node js?

516

What is a node process?

521

What is difference between javascript and nodejs?

550

What is node js web server?

561

What is difference between node and server?

584

Who owns nodejs?

548

What is process env port?

565

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Un-Answered Questions { Node.js }

How to use node js in javascript?

567

Is node an application server?

527

What is asynchronous code?

560

How to call node js function from html?

710

What events are supported by readable streams in node.js?

586

Is nodejs asynchronous?

520

Write a program to print 0 to n element in pyramid shape?

498

What is spawn in node js?

531

Is node js and javascript same?

590

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

555

How to debug the code in Node.js?

500

What are the Challenges with Node.js ?

500

Explain cli?

517

Is node js still popular?

502

Explain the tasks of terms used in node repl?

572

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