React
React Hooks Explained: A Complete Beginner's Guide
Learn React Hooks from first principles with practical patterns you can use today.
byte team··8 min read·Updated Jan 5, 2026
Hooks let function components remember values and synchronize with the browser. Start with useState for information that changes on screen.
Use state for changing UI
Keep state small and specific. A boolean for an open menu is clearer than one large object for every UI concern.
Use effects for external systems
Use useEffect to connect to subscriptions, timers, or browser APIs. Values calculated from props and state usually do not need an effect.