<!DOCTYPE html>
<html>
<head>
    <script>
        function test() {
            window.top.console.log('Timeout in subframe-1 created');
            setTimeout(function() {
                alert('Timeout created in subframe-1.html fired');
            }, 50);
        }
    </script>
</head>
<body>
I am subframe-1.html
</body>
</html>