google map did not show in the html using div : <html>
    <head>
      <script async defer src="https://maps.googleapis.com/maps/api/js?key=mykeyM&callback=myMap" type="text/javascript">
        </script>
     </head>
    <body>
        <script>
          function myMap() {
         var mapProp= {
         center:new google.maps.LatLng(37.00,22.077462),
        zoom:15,
        };
    var map=new google.maps.Map(document.getElementById("googleMap"),mapProp);
    }
        </script>
        <div class="container" id="fh5co-contact-section">
        <div class="row">
        <div class="col-md-3 col-md-push-1 animate-box">
        <h3>Our Address</h3>
        <ul class="contact-info">
        <li><i class="icon-mail"></i><a href="#">test@gmail.com</a></li>
        <li><i class="icon-globe2"></i><a href="#">www.test.com</a></li>
        </ul>
        </div>
        <div class="col-lg-9 col-md-6 col-sm-9 col-xs-12">  
                               	                               
        <div id="googleMap" style="width:100px;height:450px;"></div> 
        </div>
        </div>
        </div>
    </body>
</html>            