Node.js Event Loop Explained: The Secret Behind Its Speed
javascript
dev.to
If you've ever wondered why Node.js is considered fast even though it runs JavaScript on a single thread, you've probably come across the term Event Loop. Many tutorials explain it as a simple cycle of phases. That's useful, but to truly understand Node.js, you need to know why those phases exist and how they work together with V8, Libuv, the Operating System, and the Worker Pool. Let's break it down step by step. 1. The Core Philosophy: "Don't Wait" Node.js executes JavaScript