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#2 2-16 useEffect 마운트 #12

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Merged
huiji0315 merged 1 commit into from
May 27, 2021
Merged

#2 2-16 useEffect 마운트 #12

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8 changes: 7 additions & 1 deletion 2주차리액트/장희지/begin-react/src/UserList.js
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Original file line number Diff line number Diff line change
@@ -1,6 +1,12 @@
import React from 'react';
import React, { useEffect } from 'react';

function User({ user, onRemove, onToggle }) {
useEffect(() => {
console.log('컴포넌트가 화면에 나타남');
return () => {
console.log('컴포넌트가 화면에서 사라짐');
};
}, []);
return (
<div>
<b
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