third_party/blink/web_tests/fast/dynamic/001.html - chromium/src - Git at Google

 <html>
 <body>
 <table id="tbl" cellspacing=0 border=0 style="background: red" cellpadding=10>
 <tr><td width=100 bgcolor=green></td>
 </table>

 <script>
 document.getElementById("tbl").removeAttribute("cellpadding");
 </script>
	<html>
	<body>
	<table id="tbl" cellspacing=0 border=0 style="background: red" cellpadding=10>
	<tr><td width=100 bgcolor=green></td>
	</table>

	<script>
	document.getElementById("tbl").removeAttribute("cellpadding");
	</script>