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

Node.js Interview Questions

Questions Answers Views Company eMail

What are the uses of npm in node js?

508

Is there any system configration needed to install node js?

549

What is the disadvantages of node.js?

496

How is node.js different from ajax?

476

Why we have to keep separate express app and server?

476

What are the local installations of dependencies?

506

What do you mean by event emmitter?

518

What is the role of require() in node js?

447

What are the exit codes in node.js? Can you list a few exit codes?

516

Why do we need promises in node js?

481

What is a callback in node.js?

497

define an error-first callback?

492

How to pass an array in insert query using node js?

486

Why is the importance of a consistent style? What tools can help you assure a consistent style?

450

What are the exit codes in node.js?

489

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Un-Answered Questions { Node.js }

What is jasmine?

520

What platforms node.js supports?

480

Explain 'Stub'?

545

What’s the difference between ‘front-end’ and ‘back-end’ development?

457

What is MongoDB?

508

Who owns nodejs?

496

What is the use of DNS module in Node.js?

512

What are the important events of net.Socket in Node.js?

510

What is node.js process?

498

Why do we use npm?

496

Difference between operational and programmer errors in node js?

468

What do you mean by event emmitter?

518

How will you get the amount of free memory on the server in which Node.js application is running?

507

What is Streams in Node.js?

496

How will you import external libraries in Node.js?

503

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