Backbone Forms: Validate on blur

HTML

<script src="http://documentcloud.github.com/underscore/underscore-min.js"></script>
<script src="http://documentcloud.github.com/backbone/backbone-min.js"></script>
<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<script src="https://rawgithub.com/powmedia/backbone-forms/master/distribution/backbone-forms.js"></script>
<script src="https://rawgithub.com/powmedia/backbone-forms/master/distribution/editors/list.js"></script>
<script src="https://rawgithub.com/powmedia/backbone-forms/master/distribution/adapters/backbone.bootstrap-modal.js"></script>
<script src="https://rawgithub.com/powmedia/backbone-forms/master/distribution/templates/bootstrap.js"></script>

CSS

/* Date */
.bbf-date .bbf-date {
  width: 4em
}

.bbf-date .bbf-month {
  width: 9em;
}

.bbf-date .bbf-year {
  width: 5em;
}


/* DateTime */
.bbf-datetime select {
  width: 4em;
}


/* List */
.bbf-list .bbf-add {
  margin-top: -10px
}

.bbf-list li {
  margin-bottom: 5px
}

.bbf-list .bbf-del {
  margin-left: 4px
}


/* List.Modal */
.bbf-list-modal {
  cursor: pointer;
  border: 1px solid #ccc;
  width: 208px;
  border-radius: 3px;
  padding: 4px;
  color: #555;
}

JavaScript

var UserForm = Backbone.Form.extend({
    template: _.template($('#formTemplate').html()),
    
    schema: {
        title:      { type: 'Select', options: ['Mr', 'Mrs', 'Ms'] },
        name:       'Text',
        email:      { validators: ['required', 'email'] },
        password:   'Password'
    }
});
 
var form = new UserForm({
    model: new User()
}).render();
 
$('body').append(form.el);