Hi! I have a problem trying to show an empty string on input datepicker. My declaration is the following: <input date-time date-change="filtering()" placeholder="Hasta" ng-model="prueba" type="text" view="date" min-view="date" format="L" name="DateTo" id="DateTo"/> In controller I set $scope.prueba to null, undefined, {} and always get an invalid date. I want to get an empty value to show input placeholder. Thanks in advance