javascript小數位四舍五入[IE5.5+]
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript">
function test(){
var txtCon=document.getElementById("test");
alert(parseFloat(txtCon.value).toFixed(2));
}
</script>
</head>
<body>
<input type="text" id="test" />
<input type="button" onclick="test()" value="測試" />
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript">
function test(){
var txtCon=document.getElementById("test");
alert(parseFloat(txtCon.value).toFixed(2));
}
</script>
</head>
<body>
<input type="text" id="test" />
<input type="button" onclick="test()" value="測試" />
</body>
</html>
