JS: Embed Google Maps

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<script src="https://maps.googleapis.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">
  //<![CDATA[
    // Create an array of styles.
    var styles = [
      {
          stylers: [
              { saturation: -85 }
          ]
      },{
          featureType: 'road',
          elementType: 'geometry',
          stylers: [
              { hue: "#002bff" },
              { visibility: 'simplified' }
          ]
      },{
          featureType: 'road',
          elementType: 'labels',
          stylers: [
              { visibility: 'off' }
          ]
      }
    ],
    // put your locations lat and long here
    lat = 51.607,
    lng = -0.12248,
    
    // Create a new StyledMapType object, passing it the array of styles,
    // as well as the name to be displayed on the map type control.
    styledMap = new google.maps.StyledMapType(styles,
        {name: 'Styled Map'}),
    
    // Create a map object, and include the MapTypeId to add
    // to the map type control.
    mapOptions = {
        zoom: 14,
        scrollwheel: false,
        center: new google.maps.LatLng( lat, lng ),
        mapTypeControlOptions: {
            mapTypeIds: [google.maps.MapTypeId.ROADMAP]
        }
    },
    map = new google.maps.Map(document.getElementById('map'), mapOptions),
    charlotte = new google.maps.LatLng( lat, lng ),
    
    marker = new google.maps.Marker({
      position: charlotte,
      map: map,
      title: "Hello World!"
    });
    
    //Associate the styled map with the MapTypeId and set it to display.
    map.mapTypes.set('map_style', styledMap);
    map.setMapTypeId('map_style');
  //]]>
</script>