JavaScript Programming
JavaScript > Code Examples
Currency Format
Currency Format
<html>
<head>
<title>Happy Codings :-) JavaScript - Learn Web Development</title>
</head>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
function formatCurrency(num) {
num = num.toString().replace(/\$|\,/g,'');
if(isNaN(num))
num = "0";
sign = (num == (num = Math.abs(num)));
num = Math.floor(num*100+0.50000000001);
cents = num%100;
num = Math.floor(num/100).toString();
if(cents<10)
cents = "0" + cents;
for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
num = num.substring(0,num.length-(4*i+3))+','+
num.substring(num.length-(4*i+3));
return (((sign)?'':'-') + '$' + num + '.' + cents);
}
// End -->
</script>
</head>
<body>
<center>
<form name=currencyform>
Enter a number then click the button: <input type=text name=input size=10 value="1000434.23">
<input type=button value="Convert" onclick="this.form.input.value=formatCurrency(this.form.input.value);">
<br><br>
or enter a number and click another field: <input type=text name=input2 size=10 value="1000434.23" onBlur="this.value=formatCurrency(this.value);">
</form>
</center>
</body>
</html>
