React Hooks Guide

Manage local state in functional components. Perfect for simple state management needs.

Handle side effects in your components, like data fetching, subscriptions, or DOM mutations.

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Track the state of async actions and transitions in React applications.

Manage complex state logic using a reducer pattern, similar to Redux.

Memoize functions to prevent unnecessary re-renders in child components.

Memoize expensive computations to optimize performance.

Access DOM elements directly and persist values across renders without causing re-renders.

Similar to useEffect, but fires synchronously after DOM mutations.

Customize the instance value exposed to parent components when using refs.

Mark state updates as non-urgent to keep the UI responsive during heavy updates.

Defer updating less important parts of the UI to avoid blocking more critical updates.