text: // JavaScript source code
  function rendomArg(arg) {
      var alfabetical = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890';
      var res = '';
      var rendomNumber = function (m) {
          return Math.floor((Math.random() * m));
      }
      var doit = true;
      var i = 0;
      while (doit) {
          res += alfabetical.substr(rendomNumber(alfabetical.length), 1);
          if (i === 50) { doit = false; }
          i++;
      }
      if (!doit) { arg(res); }
  
  }
  
  
  exports.rendomArg = rendomArg;