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

Node.js Interview Questions

Questions Answers Views Company eMail

Is node.js is free?

473

What is an error-first callback?

511

Explain the role of repl in node.js?

461

What is node.js? Where can you use it?

503

Does node.js support multi-core platforms? And is it capable of utilizing all the cores?

428

Mention the command to stop repl in node.js?

486

What are the functionalities of npm in node.js?

461

What are globals in node.js?

443

What are exit codes in node.js? List some exit codes.

524

What is a child_process module in node.js?

464

What are the differences between “readuintbe” and “writeintbe” in node.js?

486

Explain chaining in node.js?

439

What is the latest version of node.js available?

505

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

432

For what require() is used in node js?

436

Post New Node.js Questions

Un-Answered Questions { Node.js }

How we can write a file in node js?

442

What are the differences between “readuintbe” and “writeintbe” in node.js?

486

How to create an Https Server using Node.js?

491

What is stub in node js?

443

Why is npm used?

419

What is socket in node.js?

453

List the types of application you can build using node js?

457

What is req res?

412

How can we avoid Callback Hell in Node.js?

428

Which module is used for web based operations?

474

How to decide when to use node.js?

450

What are various node.js REST API frameworks?

465

What is environment variable in node js?

465

What is closures?

561

Is node js frontend or backend?

464

For More Un-Answered { Node.js } Questions Click Here