I wanted to try out a sample demo of implementing Gmaps v3 and tried out this example from Google's documentation, but there is no output , the page just loads for a few seconds and then blank, no output.
<!DOCTYPE html>
<html lang = "en">
<head>
<style type="text/css">
html{height: 100%}
body{height: 100%; margin: 0; padding: 0}
#map-canvas{height: 100%}
</style>
<title>GMaps Demo</title>
<script src = "https://maps.googleapis.com/maps/api/js?
key=${API_KEY}&sensor=false">
</script>
<script>
function initialize(){
var mapOptions = {
center: new google.maps.LatLng(-34.397, 150.644),
zoom: 8,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
var map = google.maps.Map(
document.getElementById("map-canvas"),
mapOptions);
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id = "map-canvas">
</div>
</body>
</html>