<!DOCTYPE html>
<html lang="en">
<head>
  <title>Blasting off with Bootstrap</title>
  <meta charset="utf-8" />
  <meta http-equiv="X-UA-COMPATIBLE" content="IE=Edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <link rel="stylesheet" href="../css/bootstrap.min.css"/>
  <!--[if lt IE 9]>
  <script src="../js/html5shiv.3-7-0.js"></script>
  <script src="../js/respond.1-4-2.min.js"></script>
  <![endif]-->
</head>

<body>
<div class="container">
  <div class="panel">
    <div class="dropdown" id="myDropdown">
      <!-- right-clicking this link to open in a new tab will take you to the href -->
      <a class="myDropdownHandle" href="http://google.fr"
         data-toggle="dropdown" data-target="#">
        Dropdown<span class="caret"></span>
      </a>
      <ul class="dropdown-menu">
        <li><a href="#">Item 1</a></li>
        <li><a href="#">Item 2</a></li>
        <li><a href="#">Item 3</a></li>
        <li><a href="#">Item 4</a></li>
      </ul>
    </div>
  </div>

  <!-- https://ajax.googleapis.com/ajax/libs/jquery/1.11.1.jquery.min.js -->
  <script src="../js/jquery-1.11.2.min.js"></script>
  <script src="../js/bootstrap.js"></script>

  <script type="text/javascript">
    $(document).ready(function () {
      $('#myDropdown .myDropdownHandle').dropdown('toggle');
    });

    $('#myDropdown').on('show.bs.dropdown', function () {
      console.log('Opening dropdown');
    });
    $('#myDropdown').on('shown.bs.dropdown', function () {
      console.log('Dropdown Opened');
    });
    $('#myDropdown').on('hide.bs.dropdown', function () {
      console.log('Hiding dropdown');
    });
    $('#myDropdown').on('hidden.bs.dropdown', function () {
      console.log('Dropdown hidden');
    });
  </script>

</div>
</body>
</html>