验证小数点之后两位，并且可以四舍五入，代码如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>验证价格中的小数点后两位 - www.jb200.com</title>
<script type="text/javascript">
//验证小数点之后为两位，且四舍五入。
function Should_Money() {
var OUGHT_LM = 11.257; //
var Omoney = MathRound(parseFloat(OUGHT_LM));
alert(Omoney)
}
function MathRound(LSTR_Num) {
var LINT_Num;
if (LSTR_Num == "") {
LINT_Num = 0;
}
else {
LINT_Num = parseFloat(LSTR_Num);
LINT_Num = Math.round(LINT_Num * 100) / 100;
}
return LINT_Num;
}
</script>
</head>
<body>
<input value="ok" onclick="Should_Money()" type="submit" />
</body>
</html>
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