是否可以向现有JSON数据添加新属性？

Question

我有以下JSON数据：

$scope.users = [{ "id": 1, "first_name": "Philip",  "country": "Indonesia" },
                { "id": 2, "first_name": "Judith", "country": "China" },
                { "id": 3, "first_name": "Julie",  "country": "Finland"},
                { "id": 4, "first_name": "Gloria",  "country": "Indonesia"}}];

我想添加一个像这样的新属性：

$scope.users = [{ "id": 1, "first_name": "Philip",  "country": "Indonesia", "new_field":4 },
                { "id": 2, "first_name": "Judith", "country": "China","new_field":4 },
                { "id": 3, "first_name": "Julie",  "country": "Finland","new_field":4},
                { "id": 4, "first_name": "Gloria",  "country": "Indonesia","new_field":4}}];

这可能吗？如果是，怎么办呢？

Answer 1

使用此：

for(var i=0;i<$scope.users.length;i++)
    $scope.users[i].new_field =4;