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?

477

How to create an Http Server using Node.js?

479

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

462

Give an example of readable stream with flowing mode b?

448

What are WebSockets in node.js?

472

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

490

What are node.js unit testing frameworks?

517

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

487

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

513

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

489

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

485

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

551

What is socket.io in node.js?

485

What is Express in node.js?

487

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

493

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Un-Answered Questions { Node.js }

In which language node js is written?

486

Explain – 'console.log([data][, …])' statement in node.js?

432

What are Events and Event Emitters in node.js?

525

What is test driven development (tdd)?

448

What is rest api in node js?

450

How does node.js handle the child threads?

572

How can you avoid callbacks?

442

What does an http server do?

493

Explain 'Net' module in Node.JS?

464

define an error-first callback?

453

What is environment variable in node js?

471

What is the use of method – 'fork()'?

426

How do you open a file using node.js?

520

What platforms node.js supports?

450

Is node js a backend language?

446

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