Sử dụng useState() Hook cho xử lý State
const [state, setState] = useState(initStateValue)const Project=() => {
const [count, setCount] = useState(0)
const handleClick = () => setCount(age + 1)
return (
<div>
Current count {count}.
<div>
<button onClick={handleClick}>Increment Count!</button>
</div>
</div>
)
}Khai bao nhiều state cho Function Components
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