code: function descending (a) {
                      if(!(a instanceof Array)) return a;
                      return a.sort(function (a, b) {
                          if(a !== undefined && a !== null) a = a.toString();
                          if(b !== undefined && b !== null) b = b.toString();
                          return a > b ? -1 : a < b ? 1 : 0;
                      });
                  }
docs: Sorts the array in descending order.
  This is a destructive action, and will modify the array in place.
  @param {Array} a The Array object to operate on.
  @returns {Array} The array sorted in descending order.
  @function