Nodejs Number Format comma()

Method Source Code

// Add a comma every 3 digits, e.g. turn 11386040 into 11,386,040
var d3 = /(\d+)(\d{3})/;
Number.prototype.comma = function() {
    var s = this.toString();
    while (d3.test(s)) s = s.replace(d3, '$1,$2');
    return s;/*from   w w  w  . j a  v  a  2s  . c  o  m*/
};

Related

1. withCommas()

   Number.prototype.withCommas = function() {
       return this.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
   };
   

2. withCommas()

   Number.prototype.withCommas = function() {
     var x = 3;
     var y = parseFloat(this).toString().reverse();
     while (x < y.length) {
       y = y.substring(0, x) + "," + y.substring(x); 1
       x += 4;
     return y.reverse();
   };
   ...
   

3. withCommas()

   Number.prototype.withCommas = function() {
     var num = this;
     return this.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
   

4. addTrailingZero()

   Number.prototype.addTrailingZero = function(){
     if(this < 10)  return "0"+this;
     else  return this;
   };
   

5. addZero()

   Number.prototype.addZero=function(){
       var val=(this+"");
       val=((2>val.length)?("0"+val):val);
       return val;
   

6. commafy()

   Number.prototype.commafy = function () {
     return String(this).commafy();
   

7. commafy()

   Number.prototype.commafy = function () {
     return String(this).commafy();
   String.prototype.commafy = function () {
     return this.replace(/(^|[^\w.])(\d{4,})/g, function($0, $1, $2) {
       return $1 + $2.replace(/\d(?=(?:\d\d\d)+(?!\d))/g, "$&,");
     });
   

8. format()

   Number.prototype.format = function () {
     var str = this.toString();
     var Re = /[^0-9]/g;
     var ReN = /(-?[0-9]+)([0-9]{3})/;
     str = str.replace(Re,'');              
     while (ReN.test(str)) { 
       str = str.replace(ReN, "$1,$2"); 
     return str;
   ...
   

9. format()

   Number.prototype.format = function() {
     var n = this, decPlaces = 2, decSeparator = ".", thouSeparator = ",", sign = n < 0 ? "-" : "", i = parseInt( n = Math.abs(+n || 0).toFixed(decPlaces)) + "", j = ( j = i.length) > 3 ? j % 3 : 0;
     return sign + ( j ? i.substr(0, j) + thouSeparator : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + thouSeparator) + ( decPlaces ? decSeparator + Math.abs(n - i).toFixed(decPlaces).slice(2) : "");
   };
   function isNumber(n) {
     return !isNaN(parseFloat(n)) && isFinite(n);
   var dayNames = new Array("Duminica", "Luni", "Marti", "Miercuri", "Joi", "Vineri", "Sambata");
   var monthNames = new Array("Ianuarie", "Februarie", "Martie", "Aprilie", "Mai", "Iunie", "Iulie", "August", "Septembrie", "Octobmrie", "Noiembrie", "Decembrie");
   ...