<!DOCTYPE html>
<html>
<head>
<script>

function boom()
{
  var root = document.documentElement;
  while (root.firstChild) {
    root.removeChild(root.firstChild);
  }

  var space = document.createTextNode(" ");
  var body = document.createElementNS("http://www.w3.org/1999/xhtml", "body");
  root.contentEditable = "true";
  root.focus();
  document.execCommand("contentReadOnly", false, null);
  root.appendChild(body);
  root.contentEditable = "false";
  root.appendChild(space);
  root.removeChild(body);
  root.contentEditable = "true";

  window.getSelection().removeAllRanges();
  var r1 = document.createRange();
  r1.setStart(root, 0);
  r1.setEnd(root, 0);
  window.getSelection().addRange(r1);
  looseText = document.createTextNode("c");
  var r2 = document.createRange();
  r2.setStart(looseText, 0);
  r2.setEnd(looseText, 0);
  window.getSelection().addRange(r2);

  document.execCommand("forwardDelete", false, null);
}

</script>
</head>

<body onload="boom();"></body>
</html>