Chapter 5: Managing $scope inheritance
HTML
<script src="https://code.angularjs.org/1.3.2/angular.min.js"></script>
<div ng-app="myApp">
<div ng-controller="Ctrl">
Scope id: {{ $id }}
<input ng-model="data" />
<input type="checkbox" ng-model="show" />
<div ng-if="show">
Scope id: {{ $id }}
<input ng-model="data" />
</div>
</div>
</div>
JavaScript
angular.module('myApp', [])
.controller('Ctrl', function($scope) {
$scope.data = 123;
$scope.show = false;
});