How to Use React useEffect - Request data

comment-list.jsx

function CommentsList() {
  const [comments, setComments] = useState([]);
  useEffect(() => {
    // Fetch Comments
    fetchComments().then(response => {
      // ...
      setComments(response.data);
    });
  }, []);
  return (
    <ul>
      { comments.map(comment => <li>{comments}</li>) }
    </ul>  
  );
}