"Controller as" syntax

HTML

<link rel="stylesheet" href="http://cdnjs.cloudflare.com/ajax/libs/foundation/5.2.2/css/foundation.min.css">
<div ng-app="app" ng-controller="UserCtrl as user">
   
    <div class="panel">

        <input type="text" ng-model="user.test.one">

        <input type="text" ng-model="user.test.two">
    </div>
</div>

JavaScript

angular.module('app', [])

.controller('UserCtrl', function ($scope) {
var ctrl=this;
      $scope.$watch(function(){
    	return ctrl.test;
    },function(newVal,oldVal){
    console.log(newVal,oldVal);
    },true)
});