<!DOCTYPE html>
<html>
    <head>
        <title>Change display property of spanner parent</title>
        <script>
            function test() {
                var elm = document.getElementById('elm');
                document.body.offsetTop; // trigger layout
                elm.style.display = 'inline';
            }
        </script>
    </head>
    <body onload="test()">
        <p>You should see two lines with the word "PASS" below.</p>
        <div style="-webkit-columns:3; columns:3; column-fill:auto; -webkit-column-fill:auto; height:5em;">
            <div id="elm">
                <div style="-webkit-column-span:all; column-span:all;">PASS</div>
                PA</div>SS
        </div>
    </body>
</html>