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<!DOCTYPE html>
<html class="reftest-wait">
  <body>
    <iframe srcdoc="<body><div></div></body>"></iframe>
    <script type="text/javascript">
      onload = function() {
        var i = document.querySelector("iframe");
        var win = i.contentWindow;
        var doc = win.document;
        var div = doc.querySelector("div");
        win.getSelection().collapse(div, 0);
        i.focus();
        div.contentEditable = true;
        div.focus();
        setTimeout(function() {
          var span = doc.createElement("span");
          span.appendChild(doc.createTextNode("foo"));
          div.appendChild(span);
          div.style.outlineWidth = 0; // remove the focus outline
          i.style.position = "absolute";
          document.body.clientWidth;
          document.documentElement.removeAttribute("class");
        }, 0);
      };
    </script>
  </body>
</html>