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


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More Node.js Interview Questions

Explain the difference between readfile and createreadstream in node js?

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What is the difference between setimmediate() and settimeout()?

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What is the difference between node.js and ajax?

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Why node.js is used?

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How to get value from node js to javascript?

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How node.js works?

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What is http in node.js?

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How do you open a file using node.js?

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Explain 'NewListener' in Node.JS?

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Who created node js?

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Since node is a single threaded process, how to make use of all cpus?

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Explain 'Net' module in Node.JS?

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