AngularJS Example
by cherishpeace
HTML
<div ng-app="App">
<form name="myForm" ng-controller="Ctrl">
userType: <input name="input" ng-model="userType" required>
<span class="error" ng-show="myForm.input.$error.required">Required!</span><br>
<tt>userType = {{userType}}</tt><br>
<tt>myForm.input.$valid = {{myForm.input.$valid}}</tt><br>
<tt>myForm.input.$error = {{myForm.input.$error}}</tt><br>
<tt>myForm.$valid = {{myForm.$valid}}</tt><br>
<tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br>
</form>
</div>
CSS
</style> <!-- Ugly Hack to make remote files preload in jsFiddle -->
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/angularjs/1.2.7/angular.min.js"></script>
<style>
JavaScript
angular.module('App', []);
function Ctrl($scope) {
$scope.userType = 'guest';
}