[解決済み] Googleマップ上の3D地球儀 API JS

var map;
      function initMap() {
        map = new google.maps.Map(document.getElementById('map'), {
          center: {lat: -34.397, lng: 150.644},
          zoom: 8
        });
      }

      /* Always set the map height explicitly to define the size of the div
       * element that contains the map. */
      #map {
        height: 100%;
      }
      /* Optional: Makes the sample page fill the window. */
      html, body {
        height: 100%;
        margin: 0;
        padding: 0;
      }

    <meta name="viewport" content="initial-scale=1.0">
    <meta charset="utf-8">
    <div id="map"></div>

    <script src="https://maps.googleapis.com/maps/api/js?callback=initMap"
    async defer></script>