<script>

        var map;

        function initMap() {

            var position = new google.maps.LatLng(1.539187, 103.647115),

            map = new google.maps.Map(document.getElementById('map'), {

                center: position,

                zoom: 15,

                styles: [去网站弄]

            });

            var marker = new google.maps.Marker({

                position: position,

                map: map,

                animation: google.maps.Animation.DROP, // BOUNCE, DROP, lo, no

                icon: 'http://www.zoominn.com.my/i/ModuleMap_icon.png'

            });

            marker.addListener('click', function () {

                var ttc = document.getElementById('mapContent').cloneNode(true);

                var infoWindow = new google.maps.InfoWindow;

                infoWindow.setPosition(position);

                infoWindow.setContent(ttc);  //can put element but won't auto clone 哦

                infoWindow.open(map);

            });

        }

        var script = document.createElement('script');

        script.type = 'text/javascript';

        script.async = true;

        script.defer = true;

        script.src = 'https://maps.googleapis.com/maps/api/js?key=AIzaSyDzbTtAijGTrGdYxbU3FGuxnwwO3Vkmixg&callback=initMap'

        document.body.appendChild(script);

    </script>

    @*<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyDzbTtAijGTrGdYxbU3FGuxnwwO3Vkmixg&callback=initMap" async defer></script>*@