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

Node.js Interview Questions

Questions Answers Views Company eMail

How to create an Http server using Express?

475

How to create an Http Server using Node.js?

473

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

453

Give an example of readable stream with flowing mode b?

442

What are WebSockets in node.js?

461

What events are supported by readable streams in node.js?

484

What are node.js unit testing frameworks?

508

What are the two types of API functions in Node.js ?

485

How to create a simple chat app using socket.io in node.js?

510

What events are supported by writable streams in node.js?

484

What functions are provided by fs module to perform I/O operations on a file in node.js?

474

What functions are provided by path module in Node.js?

541

What is socket.io in node.js?

474

What is Express in node.js?

477

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

486

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Un-Answered Questions { Node.js }

Why do we need promises in node js?

450

What is the use of settimeout() function in node.js?

531

Is node js a backend?

485

What is an event loop in node.js and how does it work?

468

List out the properties of process?

548

What is let in node js?

471

Who is creator of node.js?

455

How does Node.js work?

455

Why is node required for angular?

446

Which module is used for buffer based operations in node.js?

499

Differentiate between readfile vs createreadstream in node.js?

473

What is the name of the flags used in read/write operation on files?

457

What is chaining process in node.js?

462

List out the layers involved in web app architechure?

433

What are the pros and cons of Node.js?

492

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