AngularJS: Iterating over object properties and two way binding -


i want loop on object's property. also, there should two-way data binding change change object well.

both key , value of object property can changed ui , should reflect in object's structure.

i able object's value ng-model="contents[index]"

but how object property key e.g. interface in object change if change on ui.

$scope.contents = {            "interface": "gigabitethernet",            "interfacenumber": "1",            "bgpneighborip": "00.0.112.499",            "bgpremoteas_[1]": "701",            "bgpneighborip_[2]": "8.3.112.170",            "bgpremoteas_[2]": "702"          }
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>  <tbody>  <tr ng-repeat="(index, p1) in contents">  <td>  <input class="form-control" type="text" ng-model="index">  </td>  <td>  <input class="form-control" type="text" ng-model="contents[index]">  </td>  </tr>  </tbody>

try solution:

angular.module('app',[]).controller('test',['$scope', function($scope){      $scope.contents = {                "interface": "gigabitethernet",            "interfacenumber": "1",            "bgpneighborip": "00.0.112.499",            "bgpremoteas_[1]": "701",            "bgpneighborip_[2]": "8.3.112.170",            "bgpremoteas_[2]": "702"     };         $scope.arr = [];     for(var prop in $scope.contents)          $scope.arr.push({oldkey:prop, newkey:prop});       $scope.change = function(item){                                           $scope.contents[item.newkey] = $scope.contents[item.oldkey];                  delete $scope.contents[item.oldkey];        item.oldkey = item.newkey;    }  }])
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>  <div ng-app='app' ng-controller='test'>      <input ng-repeat-start='item in arr' type='text' ng-model="item.newkey" ng-change='change(item)'>      <input type='text' ng-model="contents[item.oldkey]" >        <br ng-repeat-end>      <p>{{contents|json}}</p>  </div>


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