code: function (size) {
          var result = '';
  
          var S4 = function () {
              return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
          };
  
          for (var i = 0; i < size / 4; i++) {
              result += S4();
          }
  
          return result;
      }
docs: /*
  Generates an ID.