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Node.js Interview Questions
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Is node.js is free?

 266

What is an error-first callback?

 254

Explain the role of repl in node.js?

 232

What is node.js? Where can you use it?

 236

Does node.js support multi-core platforms? And is it capable of utilizing all the cores?

 244

Mention the command to stop repl in node.js?

 255

What are the functionalities of npm in node.js?

 250

What are globals in node.js?

 239

What are exit codes in node.js? List some exit codes.

 256

What is a child_process module in node.js?

 232

What are the differences between “readuintbe” and “writeintbe” in node.js?

 265

Explain chaining in node.js?

 243

What is the latest version of node.js available?

 241

Write a program to print 0 to n element in pyramid shape?

 245

For what require() is used in node js?

 233

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Un-Answered Questions { Node.js }

What is Event-driven programming?

238

What is node.js and why it is used?

273

Can we build a REST service in Node.js?

243

Explain 'dns module' in node.js?

256

Explain the concept of url module.

241




What is environment variable in node js?

230

Is it possible to evaluate simple expressions using node repl?

226

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

225

What is express.js?

239

What are the benefits of using node.js?

251

Why do we need server side rendering?

231

What is the revealing module pattern?

228

What is the difference between promise and callback?

206

Why to use express.js?

234

What is the advantage of using node.js?

223

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