<table id='table1'>
<form name="form1">
<tr>
<td><INPUT id="GoodsVolume" style="WIDTH: 97px; HEIGHT: 16px" type="text" onBlur="checkData();"><td>
<td><INPUT id="Volume" style="WIDTH: 97px; HEIGHT: 16px" type="text"><td>
<tr>
</form>
</table>
<script language="JavaScript">
function checkData(){
var reg =/^\d+\*\d+\*\d+$/;
if(reg.test(form1.GoodsVolume.value)==false){
alert("err");
form1.GoodsVolume.value="";
form1.GoodsVolume.focus();
return false;
}
else{
var value=form1.GoodsVolume.value.split("*");
form1.Volume.value=value[0]*value[1]*value[2];
}
}
</script>
<form name="form1">
<tr>
<td><INPUT id="GoodsVolume" style="WIDTH: 97px; HEIGHT: 16px" type="text" onBlur="checkData();"><td>
<td><INPUT id="Volume" style="WIDTH: 97px; HEIGHT: 16px" type="text"><td>
<tr>
</form>
</table>
<script language="JavaScript">
function checkData(){
var reg =/^\d+\*\d+\*\d+$/;
if(reg.test(form1.GoodsVolume.value)==false){
alert("err");
form1.GoodsVolume.value="";
form1.GoodsVolume.focus();
return false;
}
else{
var value=form1.GoodsVolume.value.split("*");
form1.Volume.value=value[0]*value[1]*value[2];
}
}
</script>
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货