Google Maps
Service marker
<script src="https://maps.googleapis.com/maps/api/js?key=API KEY" type="text/javascript"></script>
<script type="text/javascript">
function initialize() {
var mapOptions = {
center: { lat: latitude, lng: longitude},
zoom: zoom
};
var map = new google.maps.Map(document.getElementById('map-canvas'),
mapOptions);
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
