Here you can find the source of formatCurrency()
Number.prototype.formatCurrency = function() { return '$' + this.toFixed(2); }
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) ...
Number.prototype.ToCurrencyWithSymbol = function (ccyCode, rounder) { var symbol = ccyCode.ConvertToCurrencySymbol(); aDigits = this.toFixed(rounder).split("."); aDigits[0] = aDigits[0].split("").reverse().join("") .replace(/(\d{3})(?=\d)/g, "$1,").split("").reverse().join(""); return symbol + aDigits.join(".");
Number.prototype.formatCurrency = 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) : ""); ...
Number.prototype.formatCurrency = 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, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : ""); };
Number.prototype.toCurrency = function ( noFractions, currencySymbol, decimalSeparator, thousandsSeparator ) { var n, startAt, intLen; if ( currencySymbol == null ) currencySymbol = "$"; if ( decimalSeparator == null ) decimalSeparator = "."; if ( thousandsSeparator == null ) thousandsSeparator = ","; n = this.round( noFractions ? 0 : 2, true, decimalSeparator ); intLen = n.length - (noFractions ? 0 : 3); if ( (startAt = intLen % 3) == 0 ) startAt = 3; for ( var i = 0, len = Math.ceil( intLen / 3 ) - 1; i < len; i++ )n = n.insertAt( i * 4 + startAt, thousandsSeparator ); ...
Number.prototype.toCurrency = function() { return (arguments[0] ? arguments[0] : "\\") + this.withCommas(); };