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<html><body><div id="map" style="width:100%;height:500px"></div><script>function myMap() { var myCenter = new google.maps.LatLng(51.508742,-0.120850); var mapCanvas = document.getElementById("map"); var mapOptions = {center: myCenter, zoom: 5}; var map = new google.maps.Map(mapCanvas, mapOptions); var marker = new google.maps.Marker({position:myCenter}); marker.setMap(map); // Zoom to 9 when clicking on marker google.maps.event.addListener(marker,'click',function() { map.setZoom(9); map.setCenter(marker.getPosition()); });}</script><script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyBu-916DdpKAjTmJNIgngS6HL_kDIKU0aU&callback=myMap"></script><!--To use this code on your website, get a free API key from Google.Read more at: https://www.w3schools.com/graphics/google_maps_basic.asp--></body></html>