<SCRIPT>
function insertElement(obj)
{
var nod=document.createElement("TD");
obj.insertBefore(nod);
nod.innerText="A New bold object has been inserted into the document."
}</SCRIPT>
<BODY>
<table width="600" border="1" cellspacing="0" cellpadding="0">
<tr>
<td onclick ="insertElement(this)">点这里加入一行。</td>
</tr>
</table>
</body>
function insertElement(obj)
{
var nod=document.createElement("TD");
obj.insertBefore(nod);
nod.innerText="A New bold object has been inserted into the document."
}</SCRIPT>
<BODY>
<table width="600" border="1" cellspacing="0" cellpadding="0">
<tr>
<td onclick ="insertElement(this)">点这里加入一行。</td>
</tr>
</table>
</body>
<tr>
<td onclick="this.innerHTML+=' <INPUT TYPE=button value=click>'">点这里加个东东</td>
</tr>
</table>
{
newRow=trafficeList.insertRow(trafficeList.rows.length);
newRow.id="tradt";
newRow.ln=allTrafficCount;
c1=newRow.insertCell(0);
c1.id="tradtRow";
c1.ln=allCount;
c1.innerHTML="<td><input type=text name='traffic' size=40 ></td><td><input type=button value='删除' ln=" + allTrafficCount + " onclick='javascript:delTrafficeRow();'></td>"//这里的td起不了作用啊
allTrafficCount++;
frm.trafficCount.value = allTrafficCount;为什么在c1.innerHTML中加入<td>就起不了作用啊??