<html> <head> <title>Table rules attr</title> <script type="text/javascript"> function runTest() { document.getElementById('myTable').rules="cols" document.getElementById('myTable').rules="rows" } </script> </head> <body onload="runTest()"> <table id="myTable" border="1"> <tr> <td>Row1 cell1</td> <td>Row1 cell2</td> </tr> <tr> <td>Row2 cell1</td> <td>Row2 cell2</td> </tr> <tr> <td>Row3 cell1</td> <td>Row3 cell2</td> </tr> </table> <p> The rules attribute is first set dynamically to cols, then to rows, so the table should show only row borders. Bug 14848. </p> </body> </html>