<html xmlns="http://www.w3.org/1999/xhtml" class="reftest-wait"> <head> <script> function foo() { var e = document.createElement("td"); document.getElementById("h").appendChild(e); e.setAttribute("rowspan", 2); e.setAttribute("colspan", 3); var tbody = document.getElementById("tbody"); tbody.parentNode.removeChild(tbody); document.documentElement.removeAttribute("class"); } </script> </head> <body onload="setTimeout(foo, 30)"> <table id="table1"> <thead style="visibility: collapse"> <tr id="h"><td rowspan="2">A</td></tr> </thead> <tfoot> <tr><td rowspan="2" colspan="0">B</td></tr> <tr><td>C</td></tr> </tfoot> <tbody id="tbody"> <tr><td>D</td></tr> </tbody> </table> </body> </html>