Google Maps Base Example

<!DOCTYPE html>
<html>
  <meta charset="utf-8">

<head>
    <style type="text/css">
    html,
    body,
    #map-canvas {
      height: 100%;
      margin: 0;
      padding: 0;
    }
    </style>
    
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css">
    <script src="https://maps.googleapis.com/maps/api/js?key=aizasyatnf8v7jyq-9u4utcgpo4m2mourmdmk4o"></script>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js"></script>
    
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script>
    <script>
    var map = null,
      kml;
    /* global google:false */

function initialize() {
      map = new google.maps.Map(document.getElementById('map-canvas'), {
        zoom: 3,
        center: {
          lat: 0,
          lng: -180
        }
      });

}
    google.maps.event.addDomListener(window, 'load', initialize);
    </script>
  </head>

</html>

Updated missing url https://maps.googleapis.com/maps/api/js?key=AIzaSyATnf8V7jYQ-9U4UTCgPO4m2MOuRMDmK4o to https://maps.googleapis.com/maps/api/js?key=aizasyatnf8v7jyq-9u4utcgpo4m2mourmdmk4o

Modified http://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js to a secure url

https://maps.googleapis.com/maps/api/js?key=AIzaSyATnf8V7jYQ-9U4UTCgPO4m2MOuRMDmK4o

https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js

https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js