Node.js Interview Questions
Questions Answers Views Company eMail

Why is npm used?

320

Is rails still relevant 2019?

330

What are callbacks in theatre?

373

How do you create an environment variable?

336

Is let and const hoisted?

319

Does js need a server?

355

Does facebook use server side rendering?

501

Is console a global object?

345

What is npm for?

325

What is g in npm install?

339

Why node js is faster?

347

Are promises better than callbacks?

316

Why node js is faster than php?

338

Why is yarn better than npm?

345

Is npm a framework?

321


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Un-Answered Questions { Node.js }

Explain Piping Stream?

343


What is the difference between the global installation of dependencies and local installation of dependencies?

343


Is it free to use node.js?

328


What is the use of Express Router Class?

363


What do you understand by event-driven programming?

431


Why do we need server side rendering?

379


How node js read the content of a file?

325


Why we have to keep separate express app and server?

315


What is error-first callback?

341


What is nodemon and how it can we used?

330


What is the use of net.Socket in Node.js?

359


Give an example of readable stream with flowing mode b?

342


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

391


Which server is used in node js?

369


Mention the command to stop repl in node.js?

367