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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script type="text/javascript">
function permission_cb(permission) {
switch (permission) {
case "granted":
console.log("notification permission granted");
break;
case "denied":
console.log("notification permission denied");
break;
case "default":
console.log("notification permission aborted");
break;
default:
console.log("[FAIL] unknown value for permission: " + Notification.permission);
break;
}
}
function get_notification_permission() {
if ("Notification" in window) {
if (Notification.permission === "default") {
Notification.requestPermission(permission_cb);
} else {
console.log("[FAIL] unknown initial value for Notification.permission: " + Notification.permission);
}
} else {
console.log("[FAIL] notifications unavailable");
}
}
</script>
</head>
<body>
<input type="button" onclick="get_notification_permission()" value="Get notification permission" id="button">
</body>
</html>
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