mozilla-release/layout/forms/crashtests/1464165-1.html

<html>
  <head>
    <script>
      function start () {
        try { o1 = document.createElementNS('http://www.w3.org/1999/xhtml', 'select') } catch(e) { }
        try { o2 = document.createElementNS('http://www.w3.org/1999/xhtml', 'style') } catch(e) { }
        try { document.documentElement.appendChild(o1) } catch(e) { }
        try { document.documentElement.appendChild(o2) } catch(e) { }
        try { o2.sheet.insertRule('* { border-left: green; -moz-padding-start: 5% !important; padding: 171798691; -moz-border-end: solid;', 0) } catch(e) { }
      }
      document.addEventListener('DOMContentLoaded', start)
    </script>
  </head>
</html>