Mastering JavaScript Internals #1 - Introduction

Why "I Know JavaScript" Isn't Enough Anymore You write JavaScript every day. You ship features, fix bugs, and get things done. But have you ever wondered why your code actually works? Not just what it does — but what happens underneath, the moment you hit run? That's what this series is about. No fluff. No theory for theory's sake. Just a clear, honest look at what's really going on inside JavaScript — explained simply, one layer at a time. 🤔 The Gap Most Developers Don't Know Exists Here's the