Bootstrap dropdown class

Dropdown menus are toggleable, contextual menus for displaying links in a list format. To use a drop-down, just wrap the drop-down menu within the class .dropdown.

You can try to run the following code to implement the dropdown class in Bootstrap

Example

Live Demo

<!DOCTYPE html>
<html>
   <head>
      <title>Bootstrap Example</title>
      <link href = "/bootstrap/css/bootstrap.min.css" rel = "stylesheet">
      <script src = "/scripts/jquery.min.js"></script>
      <script src = "/bootstrap/js/bootstrap.min.js"></script>
   </head>
   <body>
      <div class = "dropdown">
         <button type = "button" class = "btn dropdown-toggle" id = "dropdownMenu1" data-toggle = "dropdown">
            Subjects
            <span class = "caret"></span>
         </button>
         <ul class = "dropdown-menu" role = "menu" aria-labelledby = "dropdownMenu1">
            <li role = "presentation">
               <a role = "menuitem" tabindex = "-1" href = "#">Java</a>
            </li>
            <li role = "presentation">
               <a role = "menuitem" tabindex = "-1" href = "#">Data Mining</a>
            </li>
            <li role = "presentation">
               <a role = "menuitem" tabindex = "-1" href = "#">
                  C++
               </a>
            </li>
            <li role = "presentation" class = "divider"></li>
            <li role = "presentation">
               <a role = "menuitem" tabindex = "-1" href = "#">Separated link</a>
            </li>
         </ul>
      </div>
   </body>
</html>