<body> <script type="text/javascript"> <!-- function total_shopping_money(){
var table = document.getElementById("table"); var oTbody = table.children[0]; var total_shopping_money = 0; for(var i=0;i<oTbody.children.length;i++) { var oTR=oTbody.children[i]; total_shopping_money += Number(oTR.children[3].getElementsByTagName("span")[0].innerHTML);
rows[i]
cells[3]
<script type="text/javascript">
<!--
function total_shopping_money(){
var table = document.getElementById("table");
var oTbody = table.children[0];
var total_shopping_money = 0;
for(var i=0;i<oTbody.children.length;i++) {
var oTR=oTbody.children[i];
total_shopping_money += Number(oTR.children[3].getElementsByTagName("span")[0].innerHTML);
} document.getElementById("total_shopping_money").innerHTML = total_shopping_money;
}
//-->
</script>
<table id="table" >
<tr>
<td><span id="goods_price_1">20</span></td>
<td></td>
<td></td>
<td>小计:¥<span name="total" id="TotalPrice_1" >50</span>元</td>
</tr> <tr>
<td><span id="goods_price_2">20</span></td>
<td></td>
<td></td>
<td>小计:¥<span name="total" id="TotalPrice_2" >50</span>元</td>
</tr>
</table>
<b id="total_shopping_money">价格</b><input type="button" value="Click" onclick="total_shopping_money()"/>
</body>