81,090
社区成员
发帖
与我相关
我的任务
分享
<table>
<tr>
<td><input type="hidden" name="id" value="1"> </td>
<td>name1 </td>
<td>1.0 </td>
<td><input type="type" name="number" value="10" onchange="changnum(this)"> </td>
<td><input type="type" name="subtotal" value="10"> </td>
<tr>
<tr>
<td><input type="hidden" name="id" value="2"> </td>
<td>name2 </td>
<td>1.0 </td>
<td><input type="type" name="number" value="10" onchange="changnum(this)"> </td>
<td><input type="type" name="subtotal" value="10"> </td>
<tr>
</table>
<script type="text/javascript">
<!--
function changnum(obj){
var id = obj.parentNode.parentNode.firstChild.firstChild.value;
var number = obj.value;
var price = obj.parentNode.parentNode.childNodes[2].innerText;
obj.parentNode.parentNode.childNodes[4].firstChild.value = price * number;
}
//-->
</script>