here i'm using  Array for avoiding duplicate data for that i wrote this code       if (EmployeeList.indexOf(EmpDetails) == -1)  Here im Getting Error as EmployeeList of Array is not defind
     $scope.EmployeeList = [];
        $scope.SaveDb = function (Isvalid) {
            var EmpDetails = [{
                'EmpName': $scope.EmpName,
                'Email': $scope.Email
            }]
            $scope.EmployeeList.push(EmpDetails);
            console.log($scope.EmployeeList);
        }
        }
    })
 
    