React Hooks
React Hooks are a feature introduced in React 16.8 that allows you to use state and other React features in functional components. Before Hooks, state management and lifecycle methods were primarily used in class components. Hooks provide a way to achieve similar functionality in functional components, making them more powerful and easier to write and understand.
Hooks are functions that enable you to “hook into” React’s internal features, such as state management, context, effects, and more. They are prefixed with the use
keyword (such as useState
, useEffect
, useContext
, and so on). React provides several built-in Hooks, and you can also create custom Hooks to encapsulate reusable stateful logic.
The most commonly used built-in Hooks are:
useState
: This hook allows you to add state to a functional component. It returns an array with two elements: the current state value and a function to update the state.useEffect
: This hook...