What are callback hells?
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What is jit and how is it related to node js?
How will you open a file using node?
What is libuv?
What is npm? What is the main functionality of npm?
What is middleware in node.js?
What is File System in Node.js?
How node js read the content of a file?
What is a piping in node.js?
What is callback hell and how to avoid it?
Name the type of web applications which can be built using express js.
What is MEAN stack?
How promises are better than callbacks?