W3School TIY Editor
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<html> <head> <script type="text/javascript"> function delCell() { document.getElementById('tr2').deleteCell(0) } </script> </head> <body> <table border="1"> <tr id="tr1"> <th>Firstname</th> <th>Lastname</th> </tr> <tr id="tr2"> <td>Peter</td> <td>Griffin</td> </tr> </table> <br /> <input type="button" onclick="delCell()" value="Delete cell"> </body> </html>