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Node.js Interview Questions
Questions Answers Views Company eMail

Explain libuv.

 240

Explain repl in the context of node.js.

 213

Is cryptography supported in node.js?

 236

What is an event loop in node.js and how does it work?

 248

List down the steps using which “control flow” controls the function calls in node.js?

 225

List down the major benefits of using node.js?

 236

What do you understand by eslint?

 221

What do you understand by an event emitter in node.js?

 233

Explain the working of the control flow function.

 221

What is an error-first callback in node.js?

 220

Differentiate between node.js vs ajax?

 217

Explain the purpose of expressjs package?

 227

List down the various timing features of node.js.

 241

What do you understand by callback hell?

 238

Define the concept of the test pyramid. Explain the process to implement them in terms of http apis.

 247

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Un-Answered Questions { Node.js }

Define the concept of the test pyramid.

208

How will you close a file using node?

261

What is the name of the flags used in read/write operation on files?

258

How will you delete a file using node?

233

For node.js, why google uses v8 engine?

249




What is g in npm install?

210

What is Node.js foundation?

231

List down the two arguments that async.queue takes as input?

231

How to send data from node js to html?

223

What are the types of applications that can be built by using Node.js?

236

What is the difference between Asynchronous and Non-blocking?

243

Why are callback functions used?

228

Give an example of readable stream with non-flowing mode in node.js?

255

Which types of network application you can build using node.js?

231

What is the difference between promise and callback?

206

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