Untitled

<!DOCTYPE html>
<html>

<head>
    <style>
    #map {
        height: 400px;
        width: 100%;
    }
    </style>
</head>

<body>
    <div id="map"></div>
    <script>
    function initMap() {
        var phayathai_plaza = { lat: 13.7562032, lng: 100.5325212 };
        var map = new google.maps.Map(document.getElementById('map'), {
            zoom: 17,
            center: phayathai_plaza
        });
        var marker = new google.maps.Marker({
            position: phayathai_plaza,
            map: map
        });
    }
    </script>
    <script async defer src="https://maps.googleapis.com/maps/api/js?key=AIzaSyAL3uKKsbjPdp4TKhrRDpysbq5BtFiyU9w&callback=initMap">
    </script>
</body>

</html>