What is the difference between callback and promise?
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What is a control flow function?
Explain v8 engine?
Difference between cluster and child_process modules?
What is jasmine?
What language is node js written in?
What is an event emmitter?
Does node.js provide debugger?
Define the concept of the test pyramid.
Explain the difference between process.tick() and setimmediate()?
How do you delete a directory using node.js?
What is a child_process module in node.js?
How can we control versioning about packages in node.js?