function alertClicked() {
  alert('You clicked the third ListGroupItem');
}

render(
  <ListGroup defaultActiveKey="#link1">
    <ListGroup.Item action href="#link1">
      Link 1
    </ListGroup.Item>
    <ListGroup.Item action href="#link2" disabled>
      Link 2
    </ListGroup.Item>
    <ListGroup.Item action>This one is a button</ListGroup.Item>
  </ListGroup>,
);

@@ -307,17 +307,47 @@
 m action
-%3E
+ onClick=%7BalertClicked%7D%3E%0A      
 This one
@@ -358,16 +358,21 @@
 a button
+%0A    
 %3C/ListGr

fix ListGroup/Linked example (#3581)