Update toggle icon

Author: wenzhixin

issues/337.html

@@ -35,9 +35,10 @@ <h1>Custom fontawsome icons(<a href="https://github.com/wenzhixin/bootstrap-tabl
 <script>
     window.icons = {
         refresh: 'fa-refresh',
-        toggle: 'fa-toggle-on',
+        toggleOn: 'fa-toggle-on',
+        toggleOff: 'fa-toggle-on',
         columns: 'fa-th-list'
     };
 </script>
 </body>
-</html>
+</html>