code: function(array) {
              var ln = array.length,
                  newAry = [];
              for (var i = 0; i < ln; i++) {
                  if (jsonQ.index(newAry, array[i]) == -1) {
                      newAry.push(array[i]);
                  }
              }
              return newAry;
          }
docs: return a new array list of unique(distinct) elements of an array