viewport

initial-scale=1.0, user-scalable=no

by Root Me

HTML

<script src="https://maps.google.com/maps/api/js"></script>
<body>
<div id="map_canvas"></div>
</body>

CSS

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

JavaScript

var map;

function initialize()
{
  map = new google.maps.Map(document.getElementById("map_canvas"),
  {
        zoom: 13,
        center: new google.maps.LatLng(68.858565, 22.347198),
        mapTypeId: google.maps.MapTypeId.ROADMAP
  });   
}
 

initialize();    

var coords = 
[
    ["Hello!","151.2069900","-33.8674870"],
    ["I am here!","-80.56344","43.471536666666665"],
    ["I was here before!","48.8566140","2.3522220"],
    ["I will come here one day!","22.851563","-79.278140"]
];

var infowindow = new google.maps.InfoWindow();
var marker, i;

for(i = 0; i < coords.length; i++)
{  
  marker = new google.maps.Marker
  ({
    position: new google.maps.LatLng(coords[i][1], coords[i][2]),
    map: map
  });

  google.maps.event.addListener(marker, 'click', (function(marker, i)
  {
    return function()
    {
      infowindow.setContent(coords[i][0]);
      infowindow.open(map, marker);
    }
  })(marker, i));
}