Too Long; Didn't Read
Node.js is a <a href="https://hackernoon.com/tagged/javascript" target="_blank">Javascript</a> runtime environment that is built on the event-driven <a href="https://hackernoon.com/tagged/programming" target="_blank">programming</a>. In a single thread the non-blocking, I/O is capable of serving multiple concurrent events. It is considered the lightweight, fast, scalable and efficient application in handling data massive due to non-blocking I/O.