<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>whet.observer example and test</title>
    <!-- env js-->
    <script src="vendor/jquery.js"></script>
    <script src="vendor/underscore-min.js"></script>
    <!-- test env-->
    <script src="vendor/mocha.js"></script>
    <script src="vendor/chai.js"></script>
    <link rel="stylesheet" href="vendor/mocha.css">
    <!-- js initiator--><script type="text/javascript">
(function() {

  chai.should();

  mocha.setup('bdd');

  jQuery(funct