JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-dropdown.js"></script>
<ul class="nav pull-right">
    <li class="dropdown">
        <a href="#" class="dropdown-toggle" data-toggle="dropdown">Menu <b class="caret"></b></a>
        <ul class="dropdown-menu">
            <li><a href="#">Menu item 1...</a></li>
            <li class="divider"></li>
            <li><a class="disabled-link" href="http://google.com">Menu item 2...</a></li>
            <li><a href="#">Menu item 3</a></li>
        </ul>
    </li>
</ul>

CSS

a.disabled-link,
a.disabled-link:visited ,
a.disabled-link:active,
a.disabled-link:hover {
    background-color:#d9d9d9 !important;
    color:#aaa !important;
}

JavaScript

$('.dropdown-toggle').dropdown();

$(".disabled-link").click(function(event) {
  event.preventDefault();
});