http://duyongguang.blogbus.com/logs/61940876.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>javascript删除行和列</title>
<script >
function deleteCol(obj){
var index=obj.cellIndex;
var table = document.getElementById("table");
var len = table.rows.length;
for(var i = 0;i < len;i++){
table.rows[i].deleteCell(index);
}
}
function deleteRow(obj){
var index=obj.parentNode.rowIndex;
var table = document.getElementById("table");
table.deleteRow(index);
}
</script>
<style>
table *{border:1px red solid;}
</style>
</head>
<body>
<table id="table">
<tr class="onclickHead">
<td onclick="deleteCol(this)">删除列</td>
<td onclick="deleteCol(this)">删除列</td>
<td onclick="deleteCol(this)">删除列</td>
<td> </td>
</tr>
<tr>
<td>名字</td>
<td>年龄</td>
<td>性别</td>
<td onclick="deleteRow(this)">删除行</td>
</tr>
<tr>
<td>张三</td>
<td>36</td>
<td>男</td>
<td onclick="deleteRow(this)">删除行</td>
</tr>
</table>
</body>
</html>