<!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>Money</title>
<script>
function outputMoney(number) {
number = number.replace(/\,/g, "");
if (isNaN(number) || number == "") return "";
number = Math.round(number * 100) / 100;
if (number < 0)
return '-' + outputDollars(Math.floor(Math.abs(number) - 0) + '') + outputCents(Math.abs(number) - 0);
else
return outputDollars(Math.floor(number - 0) + '') + outputCents(number - 0);
}
function outputDollars(number) {
if (number.length <= 3)
return (number == '' ? '0' : number);
else {
var mod = number.length % 3;
var output = (mod == 0 ? '' : (number.substring(0, mod)));
for (i = 0; i < Math.floor(number.length / 3); i++) {
if ((mod == 0) && (i == 0))
output += number.substring(mod + 3 * i, mod + 3 * i + 3);
else
output += ',' + number.substring(mod + 3 * i, mod + 3 * i + 3);
}
return (output);
}
}
function outputCents(amount) {
amount = Math.round(((amount) - Math.floor(amount)) * 100);
return (amount < 10 ? '.0' + amount : '.' + amount);
}
function alerts(){
var info =document.getElementById("money").value;
alert(outputMoney(info));
}
</script>
</head>
<body>
<form id="form1" name="form1" method="post" action="">
Money:
<label>
<input type="text" name="textfield" id="money" />
</label>
<br />
<label>
<input type="button" name="button" onclick="alerts()" id="button" value="提交" />
</label>
</form>
</body>
</html>JavaScript 給金額添加千位分隔符,號
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