Creazione Mappa

HTML

        <div id="map_canvas" ></div>
        

CSS

           html, body, #map-canvas { height: 100%; margin: 0; padding: 0;}
        

Javascript

              function initialize() {
                var mapOptions = {
                  center: { lat: -34.397, lng: 150.644},
                  zoom: 8
                };
                var map = new google.maps.Map(document.getElementById('map-canvas'),
                    mapOptions);
              }
              google.maps.event.addDomListener(window, 'load', initialize);