Nodejs Currency Format toCurrency()

Method Source Code

Number.prototype.toCurrency = function(){
   return "R$ " + this.format(2, 3, '.', ',');
};

Related

1. formatCurrency(c, d, t)

   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) : "");
   ...
   

2. formatCurrency(c, d, t)

   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) : "");
   };
   

3. toCurrency( noFractions, currencySymbol, decimalSeparator, thousandsSeparator )

   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 );
   ...
   

4. toCurrency()

   Number.prototype.toCurrency = function() {
     return (arguments[0] ? arguments[0] : "\\") + this.withCommas();
   };
   

5. toCurrency()

   Number.prototype.toCurrency = function() {
     return (arguments[0] ? arguments[0] : "") + this.withCommas();
   };
   

6. toCurrency(c, d, t)

   Number.prototype.toCurrency = 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) : "");
   ...
   

7. toCurrency(decimalPlaces)

   Number.prototype.toCurrency = function(decimalPlaces){                               
     decimalPlaces = (decimalPlaces === undefined) ? 2 : decimalPlaces;
     var nStr = (decimalPlaces != null) ? this.toFixed(decimalPlaces) : this.toString();
     var x = nStr.split('.');
     var x1 = x[0];
     var x2 = x.length > 1 ? ',' + x[1] : '';
     var rgx = /(\d+)(\d{3})/;
     while (rgx.test(x1)) {
       x1 = x1.replace(rgx, '$1' + '.' + '$2');
   ...
   

8. toCurrency(decimals, decimal_sep, thousands_sep)

   Number.prototype.toCurrency = function(decimals, decimal_sep, thousands_sep)
      var n = this,
      c = isNaN(decimals) ? 2 : Math.abs(decimals), 
      d = decimal_sep || ',', 
      t = (typeof thousands_sep === 'undefined') ? '.' : thousands_sep, 
      sign = (n < 0) ? '-' : '',
      i = parseInt(n = Math.abs(n).toFixed(c)) + '', 
      j = ((j = i.length) > 3) ? j % 3 : 0; 
   ...
   

9. toBillions()

   Number.prototype.toBillions = function() {
     return (this / 1000000000).toFixed(1) + 'B';
   };