javascript - AngularJS: How to update view when model changed? -


consider html form

 <form name="form" class="form-horizontal" novalidate>      <div class="form-group">          <label class="col-lg-2 control-label">template</label>               <div class="col-lg-4">                  <label>                      <select class="form-control"                              data-ng-model="templateselected"                              data-ng-options="transactiontemplate.name transactiontemplate in transactiontemplates">                      </select>                  </label>              </div>          </div>          <div class="form-group">              <label class="col-lg-2 control-label"                     for="transactionname">name</label>               <div class="col-lg-4">                  <input type="text" name="transactionname"                         class="form-control"                         id="transactionname"                         placeholder="transaction name"                         data-ng-model="transaction.name" required>              </div>          </div>          <div class="form-group">              <label class="col-lg-2 control-label">type</label>               <div class="btn-group col-lg-3" data-toggle="buttons"                   data-ng-model="transaction.debit" required>                  <label class="btn btn-default"                         data-ng-click="setdebittransaction('true')">                       <input type="radio">                       debit                  </label>                  <label class="btn btn-default"                         data-ng-click="setdebittransaction('false')">                      <input type="radio">                      credit                  </label>              </div>           </div>          <div class="form-group">              <label class="col-lg-2 control-label">date</label>               <datepicker data-ng-model="transaction.date"></datepicker>          </div>                 <div class="form-group">                     <label class="col-lg-2 control-label">amount</label>                      <div class="col-lg-4">                         <div class="input-append">                             <!-- added later -->                             <!--button type="button" class="btn" ng-model="buttonselect.currency" bs-button-select="['$', '₹']"></button-->                             <!--suppress htmlforminputwithoutlabel -->                             <input type="text" name="transactionamount"                                    class="form-control"                                    data-ng-model="transaction.amount" required>                         </div>                     </div>                 </div>                 <div class="form-group">                     <label class="col-lg-2 control-label">category</label>                      <div class="col-lg-4">                         <label>                             <select data-ng-model="transaction.category"                                     class="form-control"                                     data-ng-options="category.name group category.parent category in categories"                                     required>                             </select>                         </label>                     </div>                 </div>                 <div class="form-group">                     <div class="controls button-group col-lg-4 col-lg-offset-2">                         <button type="submit"                                 class="btn btn-danger"                                 data-ng-disabled="form.$invalid"                                 data-ng-click="savetransaction()">                             submit                         </button>                         <button type="submit"                                 class="btn btn-link"                                 data-ng-click="resettransactionform()">                             cancel                         </button>            </div>       </div> </form>

i want update html elements when model transaction changes controller

$scope.$watch('templateselected', function () {     if ($scope.templateselected !== undefined) {         console.log('selected transaction template:', $scope.templateselected);         $scope.transaction.name = $scope.templateselected.name;         $scope.transaction.debit = $scope.templateselected.debit;         $scope.transaction.category = $scope.templateselected.category;     } }, true);

all see when templateselected has valid value , $watch executed, name value updated/visible on html form , not the

        $scope.transaction.debit = $scope.templateselected.debit;         $scope.transaction.category = $scope.templateselected.category;

what missing here? need display these values well?

updated

created plunkr


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