멍멍이코더

UseEffect import { useEffect, useState } from "react"; function App() { const [counter, setValue] = useState(0); const [keyword, setKeyword] = useState(""); const onClick = () => setValue((prev) => prev + 1); const onChange = (event) => setKeyword(event.target.value) console.log("i run all the time..."); return ( {counter} click me ); } export default App; 버튼을 Click할 때마다 컴포너트가 Re-Rendering되어 con..