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?

479

What is an error-first callback?

518

Explain the role of repl in node.js?

467

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

510

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

436

Mention the command to stop repl in node.js?

495

What are the functionalities of npm in node.js?

471

What are globals in node.js?

448

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

535

What is a child_process module in node.js?

472

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

488

Explain chaining in node.js?

449

What is the latest version of node.js available?

511

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

434

For what require() is used in node js?

445

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Un-Answered Questions { Node.js }

Are browsers single threaded?

470

Explain callback in Node.js?

490

Does nodejs use threads?

495

Are callbacks asynchronous?

485

What is http createserver?

448

Why is node js used?

465

What is promise-all in node.js?

455

What is the use of express js?

578

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

463

Which types of network application you can build using node.js?

493

Mention the command to stop repl in node.js?

495

What is event loop?

460

What is the use of Timers is Node.js?

514

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

470

What is MEAN stack?

501

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