Demystifying the Node.js Event Loop: From Hardware Realities to Runtime Truth (opens in new tab)

When developers first try to learn the Node.js Event Loop, they are usually handed a circular diagram of six phases and a wall of text filled with technical jargon. If you try to memorize those phases on day one, it feels like blind cramming. A week later, the entire concept completely slips your mind. To truly master the Event Loop, we need to stop treating it like a magical black box. We need to look at how computer hardware works, understand why Node.js was created from first principles, a...