What is environment variable in node js?
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What is node js used for?
What is callback hell and how to avoid it?
Why is the importance of a consistent style?
What is the use of DNS module in Node.js?
Name some of the flags used in read/write operation on files.
Explain the concept of stub in node.js.
Is node js a backend?
Explain the reason as to why express ‘app’ and ‘server’ must be kept separate.
What is a child_process module in node.js?
What are Global objects in Node.js?
Why node.js is used?
Does node.js provide any debugger?