array of unique objects.js

function games_union (arr1, arr2) {
              var union = arr1.concat(arr2);
              for (var i = 0; i < union.length; i++) {
                for (var j = i+1; j < union.length; j++) {
                  if (are_games_equal(union[i], union[j])) {
                    union.splice(i, 1);
                    console.log(union[i]);
                  }
                }
              }
            }
            function are_games_equal(g1, g2)
            {
              return g1.title === g2.title;
            }

            console.log(games_union(temp, temp2);