Example Angular form

controller.js

$scope.submitForm = function(isValid) {
     if ($scope.userForm.$valid) {
          alert('Thank you for registering');
          location.reload();
      } else {
          alert('Error registering');
      }            
  }

page.html

<form name="userForm" ng-submit="submitForm(userForm.$valid)" novalidate>
    <div class="form-group">
        <label>Name</label>
        <input type="text" id="name" name="name" ng-model="name" class="form-control" required>
        <p ng-show="userForm.name.$invalid" class="help-block">Your name is required.</p>
    </div>
    <div class="form-group">
        <label for="email">Email</label>
        <input type="email" id="email" name="email" ng-model="email" class="form-control" required>
        <p ng-show="userForm.email.$invalid" class="help-block">Your email is required.</p>              
    </div>
    <input type="submit" class="btn btn-primary" value="Submit" ng-disabled="userForm.$invalid">
</form>