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?

247

What are commonjs modules?

265

In which language node js is written?

246

How node js read the content of a file?

234

What do you understand by middleware?

244

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

250

How to generate unique uuids/ guid in node js?

252

What is difference between put and patch?

272

How to authenticate users in express js?

225

Explain ecmascript?

264

Why zlib is used in node js?

264

Write the steps for setting up an express js application.

238

Explain the difference between readfile and createreadstream in node js?

271

Who is the author of node js?

269

Which template engine is supported by express js?

249

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Un-Answered Questions { Node.js }

What are the important command line options in Node.js?

254

What is an asynchronous api?

271

what is the use of underscore in nodejs?

262

What is an error-first callback?

264

How to create an Http Server using Node.js?

248

What are the useful commands of repl terminal?

247

What is the global installation of dependencies?

245

What is typically the first argument passed to a node.js callback handler?

317

What are the security mechanisms available in Node.js?

239

How to write files in node.js?

251

Difference between setImmediate() vs setTimeout()?

263

How we can convert Buffer to JSON?

220

How can you check the installed version of node js?

351

For what require() is used in node js?

250

How to protect node js source code?

279

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