consoleで結果を確認してください。
async function fetchURLs(urls) { try { const fetchUrls = urls.map(url => fetch(url).then(res => res.json())) const [todo1, todo2] = await Promise.all(fetchUrls) console.log(todo1) console.log(todo2) } catch (error) { console.error(error) } } fetchURLs([ 'https://jsonplaceholder.typicode.com/todos/1', 'https://jsonplaceholder.typicode.com/todos/2' ])