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?

500

What is an error-first callback?

577

Explain the role of repl in node.js?

496

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

554

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

473

Mention the command to stop repl in node.js?

538

What are the functionalities of npm in node.js?

507

What are globals in node.js?

471

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

571

What is a child_process module in node.js?

509

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

527

Explain chaining in node.js?

498

What is the latest version of node.js available?

532

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

466

For what require() is used in node js?

474

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Un-Answered Questions { Node.js }

What is middleware in node.js?

563

What is the purpose of console object?

490

How to send data from node js to html?

526

What language is nodejs?

497

What is the difference between angular and node.js?

545

How to check a file/directory existence in node.js?

494

What platforms node.js supports?

483

Explain the difference between readfile and createreadstream in node js?

566

Explain 'Path' module in Node.JS?

566

What is the use of method – “spawn()”?

496

What is spawn in node js?

492

What does node.js tty module contains?

529

Who developed npm?

515

How to check the already installed dependencies using npm?

494

How to debug the code in Node.js?

474

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