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 config properties in express js?

407

What are commonjs modules?

359

In which language node js is written?

368

How node js read the content of a file?

325

What do you understand by middleware?

352

What do you understand by middleware? How can you use middleware in node js?

350

How to generate unique uuids/ guid in node js?

351

What is difference between put and patch?

375

How to authenticate users in express js?

313

Explain ecmascript?

353

Why zlib is used in node js?

362

Write the steps for setting up an express js application.

327

Explain the difference between readfile and createreadstream in node js?

364

Who is the author of node js?

375

Which template engine is supported by express js?

364

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Un-Answered Questions { Node.js }

What are node packages and how to install/uninstall them?

371

What is a blocking code?

346

What is an error-first callback?

351

How "control flow" controls the functions calls?

339

Explain event loop in node js?

344

Is node js a backend language?

338

What is EventEmitter in Node.js?

361

What is node js used for?

346

Why to use javascript on server side?

324

Explain FS module ?

355

Is node js better than java?

355

Is it possible to access dom in node?

359

What are callback functions in node js?

401

How will you write a file using node?

379

What is behavior driven development (bdd)?

353

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