layout/tables/crashtests/339315-1.html


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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>

<head>
<script>

function boom() {
  var table = document.getElementById("table");

  var doomed = document.getElementById("doomed"); 
  doomed.parentNode.removeChild(doomed);

  var colgroup1 = document.createElement("colgroup");
  table.appendChild(colgroup1);

  var thead = document.createElement("thead");
  var tr = document.createElement("tr");
  var td = document.createElement("td");
  td.setAttribute("colspan", 0);
  tr.appendChild(td);
  thead.appendChild(tr);
  table.insertBefore(thead, colgroup1);

  colgroup1.parentNode.removeChild(colgroup1);

  var colgroup2 = document.createElement("colgroup");
  table.appendChild(colgroup2);
}
  
</script>
</head>

<body onload="boom();">

<table id="table"><tbody><tr id="doomed"><td>x</tr></tbody></table>

</body>
</html>