angularjs - ngmodel undefined but $modelValue and $viewValue changed -


generally html likes below:

<script type="text/javascript" src="assets/txn/test/test.js"></script> <script type="text/javascript" src="assets/txn/test/test_newao.js"></script> <script type="text/javascript" src="assets/txn/test/test_confirm.js"></script>  <div ng-controller="testcontroller" ng-cloak>     <div class="panel panel-default">         <div class="bootstrap-admin-panel-content search_box">             <form name="myform">                 <table style="width:90%;">                     <tr>                         <th style = "width : 10%;">a：</th>                         <td style = "width : 40%">                             <e-combobox ng-model = "inputvo.brchid"                                         ng-datasource = "branch_list"                                         ng-validate = "true"                                         ng-disabled = "false"                                         ng-editable = "false"                                         ng-format = "f3"                                         ng-change = "brchchange()"                                         placeholder="請選擇..."/>                         </td>                         <th style = "width : 10%;">b：</th>                         <td style = "width : 40%">                             <e-combobox ng-model = "inputvo.aocode"                                         ng-datasource = "ao_list"                                         ng-validate = "true"                                         ng-disabled = "false"                                         ng-editable = "false"                                         ng-format = "f3"                                         ng-required = "false"/>                             <input name="test" type = "checkbox" ng-disabled = "testvo.condid != '2' && testvo.condid != '15'" style = "vertical-align : middle;" ng-model = "isdismission" ng-change = "showdismission()">check                         </td>                     </tr>                 </table>             </form>         </div>     </div> </div>

in testcontroller, showdismission defined as:

$scope.showdismission = function() {     alert($scope.isdismission);     alert($scope.myform.test.$viewvalue);     alert($scope.myform.test.$modelvalue); }

when click checkbox,the first statement alerts undefined,the other 2 alert correct boolean value. when change ng-model inputvo.isdismission , alert $scope.inputvo.isdismission,it works well. seems it's different scopes between ngmodel , testcontroller in html.but can't find it.anyone please tell me i've missed. angular.js version 1.5.8.


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