React Hooks Complete Guide 2026: From useState to useOptimistic

React Hooks Complete Guide 2026: Navigating State, Effects, and the Future of UI Remember those days? The this binding dance, the endless componentDidMount , componentDidUpdate , componentWillUnmount lifecycle methods, and the sheer mental overhead of tracking stateful logic across multiple methods in a class component. It felt like we were constantly fighting the framework to express simple ideas. I clearly recall a project where we had a complex form with multiple steps and conditional logic.