debug.htm

<!DOCTYPE html>
<html lang="de">
<head>
    <meta charset="UTF-8">
</head>


<body>
    <span id=debug></span>
    <script>
    
    let text = "";
    text = "<h3>Local Storage</h3>\n";
    for (let i = 0; i < localStorage.length; i++)   {
        text = text + " - " + localStorage.key(i) + " = " + localStorage.getItem(localStorage.key(i)) + "<br>\n";
    }

    let now = new Date();
    let timestamp = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 0, 0, 0, 0).getTime()/1000;

    text = text + "<h3>Client:</h3>\n";
    text = text + " - time: " + timestamp + " (" + now + ")<br>\n";
    text = text + " - ua: " + navigator.userAgent;

    document.getElementById("debug").innerHTML = text;
    
    </script>
</body>

</html>
 