AngularJS parent child controllers.

HTML

<div ng-app="myApp" ng-controller="MainCtrl">
  <input type="text" ng-model="test"/>
    <div ng-controller="ChildCtrl">
        {{ test }}
        <input type="text" ng-model="container.test"/>
</div>

JavaScript

var app = angular.module('myApp', []);

app.controller('MainCtrl', function($scope) {
    $scope.test = "test";

    $scope.container = {
        test: 'testContainer'
    };
});

app.controller('ChildCtrl', function($scope) {});