ngModelController demo template

template.html

<form ng-app="App" ng-controller="AppController" name="myForm">
  <div ng-messages="myForm.date.$error">
    <div ng-message="parse">Please enter a valid date</div>
  </div>
  <input
    date-digits
    name="date" 
    ng-model="date"
    type="text"/>

  <pre>myForm.date.$error = {{ myForm.date.$error | json }}</pre>
  
  <pre>$scope.date: {{ date }}</pre>
  <pre>$scope.myForm.date.$viewValue {{ myForm.date.$viewValue }}</pre>
  <pre>$scope.myForm.date.$modelValue {{ myForm.date.$modelValue }}</pre>
</form>