: i want to insert logout time in database when user close the browser. i have tried onbeforeunload in javascript and jQuery but it doesn't inserting logouttime in database .

Javascript Code :

window.onbeforeunload = function(){ 
    const empid = 47 ;
    $.ajax({
        url: "response.php",
        type: "GET",
        data: {'Empid':empid, 'LogoutTime':date()},
        success: function (response) {
            alert(Logged Out Success....);
        }
    });
}
</script>

response.php

    $Empid = $_GET['empid'];
   $logout = $_GET[''LogOutDatetime]
    $link = mysql_connect('localhost', 'root', 'root');
    mysql_select_db("DBtest");
    $delete = mysql_query("UPDATE  Table LoginTime  SET `logout_time` = "LogoutTime" WHERE 'id`= '" . $Empid .  "'");
    mysql_close();
    die();
?>

Please Help me how i insert logout time when close the browser .