Nodejs

Nodejs is a javascript environment
* it doesn’t run without a JS engine (most commonly known one is V8)

Event loop

References:
1. https://web.archive.org/save/https://www.freecodecamp.org/news/the-definitive-node-js-handbook-6912378afc6e/ 2. What the heck is the event loop anyway? | Philip Roberts | JSConf EU