debug output

static/index.html

@@ -24,6 +24,7 @@
             </select>
         </p>
         <input type='checkbox' id='check1'>
+        <pre id='state' style='background-color: lightgray;'></pre>
         <script src="index.js"></script>
     </body>
 </html>

static/index.js

@@ -66,4 +66,9 @@ var $s = nbInit({
     p1: "para"
 });
 
+document.onchange = function(){
+    $s.state  = "";
+    $s.state  = JSON.stringify($s, null, 4);
+}
+