Here's something nobody explains when they first show you React: For years, even experienced React developers were writing code that worked perfectly — and still felt like a tangled mess. Logic in one place. State in another. Cleanup in a third. Related things scattered across unrelated locations, like someone who organizes their house by putting all red objects in one room, regardless of what they actually are. The problem wasn't the developers. The problem was the tool they were given. In 2019, React 16.8 shipped something called Hooks — and it quietly changed how everyone writes React. Not because it added flashy new features. But because it finally gave developers a cleaner way to think. Here's exactly what we'll cover: Why class components got messy over time How function components are fundamentally different What Hooks actually are, with a real side-by-side code example 1.…