option create select
when you select option, if selected value have child script create new select
HTML
<div ng-app="autoDrops" ng-controller="testController">
{{isDate(date)}}
<div>
JavaScript
var autoDrops = angular.module('autoDrops', []);
autoDrops.controller('testController', function ($scope) {
$scope.date = '2016-08-10T08:38:49.397'
$scope.isDate = function(value){
return angular.isDate(value);
}
});