What is a callback?
How to check the already installed dependencies using npm?
What is a reactor pattern in node.js?
How node.js overcomes the problem of blocking of i/o operations?
How to decide when to use node.js?
Describe node.js event loop and event driver architecture?
Explain event loop in node js?
How is node.js different from ajax?
How will you get the amount of free memory on the server in which Node.js application is running?
How does node js handle child threads?
How to parse json using node.js?
Why Node.js is based on single threaded architecture?
can you explain the difference between readfile vs createreadstream in nodejs.
What is difference between javascript and nodejs?
How does Node.js work?