$scope.displayyears = [];
$scope.Joinyear = function(display) {
$scope.yeardisplay = display;
$scope.yeardisp = $scope.displayyears.push($scope.yeardisplay);
$scope.displayyearss = uniq($scope.yeardisp)
}
它会抛出像“uniq is undefined”这样的错误。我们如何检查唯一性?