If you just want to start learning Hooks, feel free to jump directly to the next page! You can also keep reading this page to learn more about why we’re adding Hooks, and how we’re going to start using them without rewriting our applications. As we will show later, Hooks also offer a new powerful way to combine them. Instead, Hooks provide a more direct API to the React concepts you already know: props, state, context, refs, and lifecycle. Hooks don’t replace your knowledge of React concepts. You can read more about the gradual adoption strategy for Hooks in the bottom section of this page. There are no plans to remove classes from React. Hooks are now available with the release of v16.8.0. Hooks don’t contain any breaking changes. But you don’t have to learn or use Hooks right now if you don’t want to. You can try Hooks in a few components without rewriting any existing code. Video IntroductionĪt React Conf 2018, Sophie Alpert and Dan Abramov introduced Hooks, followed by Ryan Florence demonstrating how to refactor an application to use them. React Native has supported Hooks since the 0.59 release of React Native. When upgrading, don’t forget to update all packages, including React DOM. React 16.8.0 is the first release to support Hooks. On this page, we’ll continue by explaining why we’re adding Hooks to React and how they can help you write great applications. You can start learning Hooks on the next page. Don’t worry if it doesn’t make sense yet! This new function useState is the first “Hook” we’ll learn about, but this example is just a teaser.
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