<div id="root">
<!-- 이름이 들어갈 부분 -->
</div>function name(user) {
return `${user.firstName} ${user.lastName}`;
}
const user = {
firstName: '앵무',
lastName: '김'
};
const element = (
<h1>
Hello, {name(user)} 🦜
</h1>
);
const root = ReactDOM.createRoot(document.getElementById('root'));
root.render(element);
External CSS
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