<!DOCTYPE html>
<html>
<head>
    <title>scrollbar width</title>
    <script type="text/javascript" src="../scrollbar-width.js"></script>
    <script type="text/javascript">
        window.onload = function() {
            document.getElementById("scrollbarwidth").innerHTML = window.getScrollbarWidth();
        };
    </script>
</head>
<body>
    scrollbarwidth is: <span id="scrollbarwidth"></span>
</body>
</html>
