1 <html xmlns=
"http://www.w3.org/1999/xhtml">
3 <table style=
"border-collapse: collapse;">
4 <colgroup span=
"2" id=
"b">
9 <script xmlns=
"http://www.w3.org/1999/xhtml">
12 document.getElementById('a').remove();
13 document.getElementById('b').style.borderLeft =
"6px inset green";
15 document.documentElement.offsetHeight;