<%= dropdown
['Dropdown 2', caret, large, primary, items => [
['Item 1', ['item1'], data => { attr => 2 } ],
['Item 2', ['item2'], disabled, data => { attr => 4 } ],
[],
['Item 3', ['item3'], data => { attr => 7 } ],
[],
['Item 4', ['item4'], tabindex => 4 ],
'This is a header',
['Item 5', ['item5'] ],
] ] %>
<div class="dropdown">
<button class="btn btn-lg btn-primary dropdown-toggle" type="button" data-toggle="dropdown">Dropdown 2 <span class="caret"></span></button>
<ul class="dropdown-menu">
<li><a class="menuitem" href="item1" tabindex="-1" data-attr="2">Item 1</a></li>
<li class="disabled"><a class="menuitem" href="item2" tabindex="-1" data-attr="4">Item 2</a></li>
<li class="divider"></li>
<li><a class="menuitem" href="item3" tabindex="-1" data-attr="7">Item 3</a></li>
<li class="divider"></li>
<li><a class="menuitem" href="item4" tabindex="4">Item 4</a></li>
<li class="dropdown-header">This is a header</li>
<li><a class="menuitem" href="item5" tabindex="-1">Item 5</a></li>
</ul>
</div>
...but it can be overridden.