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Converts a number into the monetary format "123.456,78" without using loops.
Created: 2005.08.08 - Modified 2007.12.22

//+ Jonas Raoni Soares Silva
//@ http://jsfromhell.com/number/fmt-money [rev. #2]

Number.prototype.formatMoney = function(c, d, t){
    var n = this, c = isNaN(c = Math.abs(c)) ? 2 : c, d = d == undefined ? "," : d, t = t == undefined ? "." : t, s = n < 0 ? "-" : "",
    i = parseInt(n = Math.abs(+n || 0).toFixed(c)) + "", j = (j = i.length) > 3 ? j % 3 : 0;
    return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t)
    + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : "");
};

<script type="text/javascript">
//<![CDATA[

var n = 123456.789;

document.write(
    "n = ", n, "<br />",
    "n.formatMoney() = ", n.formatMoney(), "<br />",
    "n.formatMoney(0) = ", n.formatMoney(0), "<br />",
    'n.formatMoney(6) = ', n.formatMoney(6), "<br />",
    'n.formatMoney(2, "*", "#") = ', n.formatMoney(2, "*", "#"), "<br />"
);

//]]>
</script>

Number.formatMoney([floatPoint: Integer = 2], [decimalSep: String = ","], [thousandsSep: String = "."]): String

Returns the number into the monetary format.

floatPoint

amount of decimal places

decimalSep

string that will be used as decimal separator

thousandsSep

string that will be used as thousands separator

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