<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
function main(){
if (navigator.geolocation) {
// YES
navigator.geolocation.watchPosition(renderPosition, renderError);
} else {
// NO
alert('Your browser does not support geolocation.');
}
}
function renderPosition(position){
alert("Latitude: "+position.coords.latitude+"\nLongitude: "+position.coords.longitude);
}
function renderError(){
alert('error');
}
</script>
</head>
<body onload="main();">
</body>
</head>