What Is useState in React? A Complete Beginner’s Guide with Examples
What is useState?
useState is a React Hook that allows functional components to have state — that is, to store and manage data that can change over time (like user input, counters, toggles, etc.).
Before Hooks (introduced in React 16.8), only class components could use state. Now, functional components can too, using useState.
state → the current value of your state variable.
setState → a function that updates the state.
useState(initialValue) → initializes state with the given value.
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