Nodejs Number to Readable Format humanReadableOrder()

Method Source Code

/**/*from ww w.j a v a  2s .  c  om*/

Will return number shorted to an order of magnitude with one-letter description.

@return {String} human-readable number

Example: 

   var something = 93000000;
   something.humanReadableOrder(); // "9.3m";

 */
Number.prototype.humanReadableOrder = function() {
   if (this>=1000000000) {
      return (this/1000000000).toFixed(1)+'b';
   }

   if (this>=1000000) {
      return (this/1000000).toFixed(1)+'m';
   }

   if (this>=1000) {
      return (this/1000).toFixed(1)+'k';
   }
   
   return this.toString();
};

Related

1. toHumanSize(bytes)

   Number.toHumanSize = function(bytes) {
     var labels = ['Bytes', 'kB', 'MB', 'GB', 'TB'];
     if (bytes === 0) {
       return 'n/a';
     var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
     return Math.round(bytes / Math.pow(1024, i), 2) + ' ' + labels[i];
   };
   

2. toHumanTime(elapsed)

   Number.toHumanTime = function(elapsed) {
     var labels = ['ms', 's', 'm', 'h', 'd'];
     var sizes = [1000, 60, 60, 24];
     var data = [];
     sizes.forEach(function(value) {
       data.push(elapsed % value);
       elapsed = parseInt(elapsed / value);
     });
     var pos = 0;
   ...
   

3. humanReadablePrice()

   Number.prototype.humanReadablePrice = function() {
     return (this/10000).toFixed(2);
   };
   

4. toEnglish()

   var numbersToWords = {
     0: 'zero',
     1: 'one',
     2: 'two',
     3: 'three',
     4: 'four',
     5: 'five',
     6: 'six',
     7: 'seven',
   ...
   

5. toEnglish()

   var numbersToWords = {
     0: 'zero',
     1: 'one',
     2: 'two',
     3: 'three',
     4: 'four',
     5: 'five',
     6: 'six',
     7: 'seven',
   ...
   

6. to_kilometers()

   Number.prototype.to_kilometers = function() {
     return this / 1000.0;
   };