Introduction to React Hooks

🔹 What are React Hooks?

React Hooks (introduced in React 16.8) let you use state, lifecycle, and other React features in function components, so you don’t need class components anymore.

🔹 What Hooks Provide

• State & lifecycle in functions using hooks like useState, useEffect, and useContext

• Reusable logic through custom hooks

• Cleaner & simpler code with less boilerplate and no this

• Better code organization by grouping related logic

• Easier testing & debugging

• Improved performance when used correctly

🔹 Why Hooks Were Introduced

• To avoid class complexity (this, binding, lifecycle confusion)

• To make logic reuse easier (without HOCs or render props)

• To improve code readability and maintainability

🔹 Compatibility

• Hooks are optional

• Backward compatible with class components

• Class components still work and are useful for legacy code