UseState in React (A beginner's guide)

Short summary

React's useState hook allows components to store and remember data between renders. When you call the setState function to update a state value, React automatically re-renders the component with the new data. Declare useState like const [age, setAge] = useState(20), then call setAge to trigger updates and UI re-rendering.

• •useState enables components to remember data values across renders
• •Calling setState automatically triggers React to re-render with new state
• •Declare with const [value, setValue] = useState(initialValue) syntax

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