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Convert a Number to an hexadecimal String

/ Published in: JavaScript
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  1. function toHex(number, min)
  2. {
  3.     var hexes = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'];
  4.     var hex = '';
  5.     var min = min || 2;
  6.     var nibble;
  7.  
  8.     do
  9.     {
  10.         nibble = number & 0x0f;
  11.         number = number >> 4;
  12.         hex = hexes[nibble] + hex;
  13.     }
  14.     while( number );
  15.  
  16.     if( hex.length < min )
  17.     {
  18.         hex = new Array(min-hex.length+1).join('0') + hex;
  19.     }
  20.  
  21.     return '0x'+hex;
  22. }

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