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[Amybiubiu]

记一些

• react hooks

function Counter() {
  let [count, setCount] = useState(0)

  useEffect(() => {
    let id = setInterval(() => {
      setCount(count + 1)
    }, 1000)
    return () => clearInterval(id)
  }, [])
  
  return <h1>{count}</h1>
}
// https://overreacted.io/zh-hans/making-setinterval-declarative-with-react-hooks/

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