ng-model value not passed to the controller function - angularjs

Question

I am using ng-model to pass the form value to a controller function. But it is not passing correct values of the check boxes. Here is my plunker. Please help me out with this.
https://plnkr.co/edit/3gOuQwzt3SMNbAXplq0x?p=preview
My template is:
<div class="tab-pane fade " ng-repeat="(key, value) in all_user_wl_data" id="{{key}}" ng-class='{"in active":$first}'>
<div class="form-group">
<div class="row">
<div class="col-sm-6 col-md-6 col-lg-6" ng-repeat="(key1, value1) in value.wl_dict">
<div class="checkbox checkbox-success">
<input id="{{key1}}" type="checkbox" name="valueis" class="form-control" ng-model="formData[key1]">
<label for="{{key1}}">
{{value1}}
</label>
</div>
</div>
</div>
</div>
<div class="form-group">
<div class="row"><div class="col-lg-3 col-md-3 col-sm-3"> <label class="control-label">Group Name </label></div>
<div class="col-md-6 col-sm-6 col-lg-6"> <input type="text" name="regular" class="form-control" ng-model="formData.key2"></div></div><br>
<button type="button" class="btn btn-success" data-original-title="" title="" ng-click="createGroup(formData)">Save changes</button>
</div>
Here when I print console.log(formData), it prints only the value of text box and doesn't prints checkbox value.

Answer 1

try this. in controller define $scope.formData = [];

Answer 2

You didn't initiate $scope for checkbox ng-model "formData" ..
So if you initiate model into controller like this , $scope.formData = []
It will append true value in your formData like this,
[2221: true, 8233: true]

Answer 3

As everyone suggested.
Set $scope.formData in controller
Working plnkr
use
$scope.formData = {}
in your controller
https://plnkr.co/edit/53YVnVyOQzqxHQIPshkq?p=preview

Answer 4

I changed your script to below and it works
angular.module('formExample', []) .controller('ExampleController', ['$scope', '$http', function($scope, $http) {
$scope.formData = {};
$http.get('test.json')
.success(function(data) {
$scope.all_user_wl_data = data;
angular.forEach(data, function(areadata) {
$scope.usersubscribedwl = data;
console.log(data);
})
})
$scope.createGroup = function() {
console.log($scope.formData);
}
}

Answer 5

try this
<input id="{{key1}}" type="checkbox" name="valueis" class="form-control" ng-model="formData.key1[value1]">
and in controller
$scope.formData=[];
https://plnkr.co/