js中对象的自定义排序

//并返回一个可以用来对包含该成员的对象数组进行排序的比较函数
        var compareAsc = function (prop) {
            return function (obj1, obj2) {
                var val1 = obj1[prop];
                var val2 = obj2[prop];
                if (!isNaN(Number(val1)) && !isNaN(Number(val2))) {
                    val1 = Number(val1);
                    val2 = Number(val2);
                }
                if (val1 < val2) {
                    return -1;
                } else if (val1 > val2) {
                    return 1;
                } else {
                    return 0;
                }            
            } 
        }
        var compareDesc = function (prop) {
            return function (obj1, obj2) {
                var val1 = obj1[prop];
                var val2 = obj2[prop];
                if (!isNaN(Number(val1)) && !isNaN(Number(val2))) {
                    val1 = Number(val1);
                    val2 = Number(val2);
                }
                if (val1 > val2) {
                    return -1;
                } else if (val1 < val2) {
                    return 1;
                } else {
                    return 0;
                }            
            } 
        }

原始js中的排序不能满足：

arr.sort(sortNumber);
arr.sort(function (a, b) {
return b.name < a.name;
});

商城列表-积分由高到低由低到高排列：

$scope.up=true;
        $scope.down = false;
        $scope.upDown = function(i) {
            $scope.up=!$scope.up;
            $scope.down=!$scope.down
            if($scope.up == true && $scope.down == false){
                intData.sort(compareAsc("price"));
            }else if($scope.up == false && $scope.down == true){
                intData.sort(compareDesc("price"));
            }
        };

html：

<a class="col col-50" ng-click="upDown()">{{'jifen.sortUp' | i18next}} &nbsp;&nbsp;<i ng-class="{'ion-ios-arrow-thin-up':up,'ion-ios-arrow-thin-down':down }" class="icon "></i></a>

参考：http://www.jb51.net/article/67458.htm