리스트 렌더링
집합(배열) 데이터 순환
const reactFamily = [
{ id: 'go1qhwkay', name: 'React' },
{ id: 'jdkw8wjbk', name: 'Redux' },
{ id: 'ekjkfdcj4o', name: 'React Router' },
]
const reactFamilyJSX = (
<ul className="react-family">
{reactFamily.map(member => (
<li className="react-family__member">{member.name}</li>
))}
</ul>
)조건에 따른 리스트 렌더링
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