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?

494

What is an error-first callback?

568

Explain the role of repl in node.js?

490

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

548

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

465

Mention the command to stop repl in node.js?

529

What are the functionalities of npm in node.js?

497

What are globals in node.js?

463

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

566

What is a child_process module in node.js?

501

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

514

Explain chaining in node.js?

492

What is the latest version of node.js available?

527

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

458

For what require() is used in node js?

465

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Un-Answered Questions { Node.js }

What is repl terminal?

522

Which is faster node js or php?

488

What we use buffer class in node.js?

491

Why to use MongoDB?

459

Explain module.exports in node js?

668

What is the repl in context of node.js?

475

For what require() is used in node js?

465

What is closures?

598

What is the difference between Grunt and Gulp?

482

How to create a self-signed certificate in Node.js?

550

What is the use of node_env?

513

How do you get information of a file using node.js?

564

How to get started with node.js?

529

How will you convert a Buffer to JSON in Node.js?

467

How node js read the content of a file?

456

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