Nodejs Number Format formatHashrate(rate)

Method Source Code

// ======================================================================
// formats a given hashrate (H/s) to humand readable hashrate
// like xxx.yyy GH/s
// ======================================================================
var formatHashrate = function(rate) {
    rate = parseFloat(rate); //  ww  w  . j  a  v  a 2s  .com
    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);
}

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;
   };