<html>
    <head><title>None</title><script>
        function checkDatabase() {
            var db = null;
            if ('openDatabase' in window) {
                db = window.openDatabase('test', '1.0', 'results', 1*1024*1024);
            }
            document.title = db ? "Has database" : "No database";
        }
    </script></head>
    <body onload='checkDatabase()'>
    </body>
</html>