Google map

<div id="gmap" style="width:100%;height:400px;"></div>

<script>
function myMap() {
var mapProp= {
B B center:new google.maps.LatLng(51.508742,-0.120850),
B B zoom:5,
};
var map = new google.maps.Map(document.getElementById("gmap"),mapProp);
}
</script>

<script src="https://maps.googleapis.com/maps/api/js?key=GOOGLE_KEY&callback=myMap"></script>