![]() ![]() This will serve two purposes – to demonstrate the effective use of closures, and to show how you can build a Hooks clone in just 29 lines of readable JS. In this article, we reintroduce closures by building a tiny clone of React Hooks. However, their functional design requires a good understanding of closures in JavaScript. They were first introduced in React and have been broadly embraced by other frameworks like Vue, Svelte, and even adapted for general functional JS. Hooks are a fundamentally simpler way to encapsulate stateful behavior and side effects in user interfaces. Also, this article does not mention the React scheduler or how state is actually stored in React. Author’s Note: This article has been turned into a talk, with more context.
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