1. Determine the row and column merge
2. Find the target cell
3. Delete the relevant cell
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>和合并单元格</title>
</head>
<body>
<table width="250" height="150" border="1" cellspacing="0" >
<tr>
<td colspan="3"></td>
<!-- <td></td> -->
<!-- <td></td> -->
</tr>
<tr>
<td></td>
<td rowspan="2"></td>
<td></td>
</tr>
<tr>
<td></td>
<!-- <td></td> -->
<td></td>
</tr>
</table>
</body>
</html>