import React, { useState, useEffect } from 'react'; function App() { const [data, setData] = useState(); // データを保存するための状態 const [loading, setLoading] = useState(true); // ローディング状態の管理 const [error, setError] = useSta…

import React, { useEffect, useState } from 'react'; function App() { const [data, setData] = useState(null); useEffect*1 .catch(error => console.error('There was a problem with your fetch operation:', error)); }, []); // 空の依存配列を渡す…