Google maps:

by Kamlesh Kushwaha

HTML

<script src="https://maps.googleapis.com/maps/api/js?libraries=geometry,places&amp;ext=.js"></script>
<div id="map"></div>

CSS

html,
body,
#map {
  height: 100%;
  width: 100%;
  margin: 0px;
  padding: 0px
}

JavaScript

function initMap() {
    alert("Yes");
    var uluru = {
      lat: -25.363,
      lng: 131.044
    };
    var map = new google.maps.Map(document.getElementById('map'), {
      zoom: 4,
      center: uluru
    });
    var marker = new google.maps.Marker({
      position: uluru,
      map: map
    });

  }
google.maps.event.addDomListener(window, "load", initMap);