Nodejs Number Format withCommas()

Method Source Code

Number.prototype.withCommas = function() {
  var x = 3;//from  www.  j  a  va2s.  c  om
  var y = parseFloat(this).toString().reverse();
  while (x < y.length) {
    y = y.substring(0, x) + "," + y.substring(x); 1
    x += 4;
  }
  return y.reverse();
};

Related

1. formatHashrate(rate)

   var formatHashrate = function(rate) {
       rate = parseFloat(rate); 
       unit = 'H/s';
       if (rate >= 1000) { rate /= 1000; unit = 'KH/s'; }
       if (rate >= 1000) { rate /= 1000; unit = 'MH/s'; }
       if (rate >= 1000) { rate /= 1000; unit = 'GH/s'; }
       if (rate >= 1000) { rate /= 1000; unit = 'TH/s'; }
       if (rate >= 1000) { rate /= 1000; unit = 'PH/s'; }
       return (rate.toFixed(2) + ' ' + unit);
   ...
   

2. withCommas()

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

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. comma()

   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;
   };