Simple "flash" binding

http://www.knockmeout.net/2011/07/another-look-at-custom-bindings-for.html

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.14/themes/base/jquery-ui.css">
<script src="http://rniemeyer.github.com/KnockMeOut/Scripts/jquery.tmpl.js"></script>
<script src="http://knockoutjs.com/downloads/knockout-2.2.1.debug.js"></script>
<div data-bind="validator: [{class: 'RequiredValidator'}, {class: 'EmailValidator'}]"></div>

CSS

h2 {
  font-weight: bold;
}

.main {
  background-color: #CCC;
}

JavaScript

ko.bindingHandlers.validator = {
  init: function(element, valueAccessor) {
    console.log(valueAccessor());
  }
}
ko.applyBindings();