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

Node.js Interview Questions

Questions Answers Views Company eMail

Explain what is a javascript engine?

488

Explain cli?

424

Is node js single-threaded?

493

How can you set default node version using nvm?

510

What function are arguments available to express js route handlers?

460

What is difference between return and callback in javascript functions?

515

What is the revealing module pattern?

455

How does promise and queue work?

470

Explain event loop in node js?

461

Since node is a single threaded process, how to make use of all cpus?

456

Explain v8 engine?

398

Name the type of web applications which can be built using express js.

428

What is the use of express js?

568

How can models be defined in express js?

555

What is jit and how is it related to node js?

507

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Un-Answered Questions { Node.js }

What is the difference between readFile vs createReadStream in Node.js?

498

Who has developed Node.js?

443

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

427

When should I use node js?

439

Where can we use node.js?

539

What do you understand by eslint?

417

How can plain html be rendered in express js?

570

List some events that fired by streams in node js?

431

What is Node.js?

443

can you explain the difference between readfile vs createreadstream in nodejs.

469

What is promise-all in node.js?

451

What are callback functions in node js?

508

What does emitter do and what is dispatcher?

555

Explain event loop in node js?

461

What is a node js developer?

443

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