<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="utf-8">
<title>Location API Sample</title>
</head>
<body>
<h1>Location API Sample</h1>
<div id="message"></div>
<div>
<button id="stop">STOP</button>
</div>
<script>
var watch;
window.onload = function() {
if (navigator.geolocation) {
watch = navigator.geolocation.watchPosition(function(position) {
document.getElementById('message').innerHTML = 'You are at ' + position.coords.latitude + ', ' + position.coords.longitude + ' now';
}, function(e) {
document.getElementById('message').innerHTML = e.message;
});
} else {
document.getElementById('message').innerHTML = 'Location APIがサポートされていません。';
}
};
document.getElementById('stop').onclick = function() {
navigator.geolocation.clearWatch(watch);
document.getElementById('message').innerHTML = 'STOP!!';
};
</script>
</body>
</html>
