What is an error-first callback?

254

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Explain the role of repl in node.js?

232

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

236

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

244

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Mention the command to stop repl in node.js?

255

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What are the functionalities of npm in node.js?

252

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What are globals in node.js?

239

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

256

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What is a child_process module in node.js?

232

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

265

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Explain chaining in node.js?

243

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What is the latest version of node.js available?

242

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

245

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For what require() is used in node js?

235

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How to config properties in express js?

237

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