<table id="tab" width="200" height="70" border="1" cellpadding="0" cellspacing="0">
<tbody>
<tr><td>第一行</td></tr>
<tr><td>第二行</td></tr>
<tr><td>第三行</td></tr>
<tr><td>第四行</td></tr>
</tbody>
</table>
<br>
<button >删除行</button>
<script language="JavaScript">
function del(){
tab.firstChild.removeChild(tab.rows[1]) //这个firstChild是指<tbody>，删除第二行
tab.rows[0].parentElement.removeChild(tab.rows[0]) //用另一方法删除第一行
}
</script>
例五
<button >add</button>
<button >del</button>
<button >test</button>
<table id="t1" border="1"></table>
<script language="JavaScript">
var n=0;
function add(){
n++;
t1.insertRow().insertCell().innerHTML = '<input type="radio" name="tt"><input name="test'+n+'"><button >delthis</button>';
//t1.insertRow().insertCell().innerHTML = '<input type="radio" name="tt"><input name="test'+t1.rows.length+'">';
}
function del(){
var c = document.getElementsByName('tt');
for(var i=0; i<c.length; i++)
if(c[i].checked)
t1.deleteRow(i);
}
function deleteRow(obj){
t1.deleteRow(obj.parentElement.parentElement.rowIndex);
}
function test(){
for(i=0;i<t1.rows.length;i++) alert(t1.rows[i].cells[0].innerHTML);
}
</SCRIPT>
