HTML CSS examples for Bootstrap:Dropdown
Create a custom .dropdown-submenu class for multi-level dropdowns:
<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> <style> .dropdown-submenu {<!-- w w w .j ava 2 s . co m--> position: relative; } .dropdown-submenu .dropdown-menu { top: 0; left: 100%; margin-top: -1px; } </style> </head> <body> <div class="container"> <h2>Multi-Level Dropdowns</h2> <div class="dropdown"> <button class="btn btn-default dropdown-toggle" type="button" data-toggle="dropdown">Tutorials <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a tabindex="-1" href="#">HTML</a></li> <li><a tabindex="-1" href="#">CSS</a></li> <li class="dropdown-submenu"> <a class="test" tabindex="-1" href="#">New dropdown <span class="caret"></span></a> <ul class="dropdown-menu"> <li><a tabindex="-1" href="#">2nd level dropdown</a></li> <li><a tabindex="-1" href="#">2nd level dropdown</a></li> <li class="dropdown-submenu"> <a class="test" href="#">Another dropdown <span class="caret"></span></a> <ul class="dropdown-menu"> <li><a href="#">3rd level dropdown</a></li> <li><a href="#">3rd level dropdown</a></li> </ul> </li> </ul> </li> </ul> </div> </div> <script> $(document).ready(function(){ $('.dropdown-submenu a.test').on("click", function(e){ $(this).next('ul').toggle(); e.stopPropagation(); e.preventDefault(); }); }); </script> </body> </html>