5. Reading Website Data with Fetch Async/Await (ES7)

      async function doFetch() {
        try {
            const res = await fetch('data/simpleMenu.json');
            const data = await res.text();
            document.getElementById("output").innerHTML = data;
        } catch (error) {
          document.getElementById("output").innerHTML = 'Error: ' + data;
        }
      }
      doFetch();