← React Intermediate Questions - Set 2 Q16

How does React’s `useState` hook work?

React Intermediate Questions - Set 2

Example

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const [n, setN] = useState(0);
setN(n + 1);          // value captured at render time
setN(prev => prev + 1);  // always the latest value

What to notice

• React stores state outside the component and re-renders with the new value.