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 is Node.js? What is it used for?

233

What is Event-driven programming?

244

What is Event loop in Node.js work? And How does it work?

270

What is REPL in Node.js?

261

What is the purpose of module.exports in Node.js?

245

What is require in Node.js? How will you load external files and libraries in Node.js?

251

What is the difference between Asynchronous and Non-blocking?

251

What is Tracing in Node.js?

260

How will you debug an application in Node.js?

227

Difference between setImmediate() vs setTimeout()?

259

What is process.nextTick()

267

What is package.json? What is it used for?

272

What is libuv?

254

What is Node.js?

258

Who has developed Node.js?

263

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Un-Answered Questions { Node.js }

Explain exit codes in Node.JS? List out some exit codes?

246

What are the uses of npm in node js?

254

What are buffers?

226

What is a blocking code in node.js?

244

List types of streams available in node js?

225

Which is better node js or python?

313

Name some of the flags used in read/write operation on files.

331

How to send email using node.js?

297

How assert works in node.js?

244

What is test pyramid? Explain with an example?

229

Is node js asynchronous by default?

242

What is a control flow function? What are the steps does it execute?

259

Which framework is most commonly used in node.js?

245

Why to use 'ClearTimeout' in Node.JS?

246

Explain node.js web application architecture?

254

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