AngularJs實現批量刪除的操作

/*執行批量刪除的操作*/
                $scope.deleAll = function(){
                  //設置空數組
                    var arr = [];

                    for (var i=0;i<$scope.users.length;i++) {
                    //選中
                        if($scope.users[i].ck){
                            arr.push($scope.users[i].name);
                        }
                    }

                    if(arr.length<=0){
                       alert("請選擇要刪除的數據？");
                    }else{
                        for (var x=0;x<arr.length;x++) {
                            for(var j=0;j<$scope.users.length;j++){
                                if(arr[x]==$scope.users[j].name){
                                    $scope.users.splice(j,1);
                                }
                            }
                        }
                    }
};