Too Long; Didn't Read
Node.js is a single-threaded event-driven platform that is capable of running non-blocking, asynchronous programming. The event loop mechanism is also implemented in the LibUV library. The library is written in Javascript alone and in c++ and Javascript to operate correctly. It is also written in [C](https://www.hackernoon.com/images/tgb3usu.jpeg) for [unix/core.c#L384) shown below (but you can also look for [win)(https://github.com) for the [win] library shown below.