<script>
function Chenge(obj) {
t3.value=obj.value*t2.value;
}
</script>
<table border="1" width="100%" id="table1">
<tr>
<td> <input type=text id=t1 onChange="Chenge(this);">数量</td>
<td> <input type=text id=t2>价格</td>
<td> <input type=text id=t3>总价格</td>
</tr>
</table>
function Chenge(obj) {
t3.value=obj.value*t2.value;
}
</script>
<table border="1" width="100%" id="table1">
<tr>
<td> <input type=text id=t1 onChange="Chenge(this);">数量</td>
<td> <input type=text id=t2>价格</td>
<td> <input type=text id=t3>总价格</td>
</tr>
</table>
解决方案 »
- ajax报错 400 BadRequest
- 求助:jquery Flexigrid插件 IE报错(opera,firefox正常)
- javascript指定运行的结果显现
- 貌似self.parent,只能往上找,能不能从top往下遍历?
- [菜鸟自学一]日期联动选择器
- 向高手在线求助:如何实现二级多个select 联动
- 关于弹出无边框窗口
- 简单问题. js如何控制select(html element,非dropdownlist)为展开状态
- _____________以死求解答~!!!!!!!!!!!!!!!!!!!!!!!!!!快了!!!!!!!!!!
- 自从上过某一网站后,IE浏览器最上方的标题栏似乎被他做过手脚,总会显示他加上的文字!如何才能去掉!help me!
- JS日历问题!
- 关于javascript执行顺序出错问题,请高手指点,谢谢!(100分求助)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<meta http-equiv="content-type" content="text/html" charset="utf-8">
<script type="text/javascript">function Chenge()
{
var account = 0.00
var showNode = document.getElementById("total");
var quanlity = document.getElementById("t1").value;
var price = document.getElementById("t2").value;
if ( quanlity== "")
{
showNode.innerHTML = "请输入数量!!";
return false;
}
account = parseInt(quanlity)*parseFloat(price);
showNode.innerHTML = account;
}</script>
</HEAD><BODY><table border="1" width="60%" id="table1">
<tr>
<td>数量<input type=text id='t1' value="0" onkeyup="Chenge();"></td>
<td>价格<input type=text id='t2' value="1.5"></td>
<td width="80">总价格<div id="total" style="font-size:13pt;font-weight:800;color:red;">0.00</div></td>
</tr>
</table>
</BODY>
</HTML>