<div class="bs-docs-section"> <h1 id="dropdowns" class="page-header">Dropdowns</h1> <p class="lead">Toggleable, contextual menu for displaying lists of links. Made interactive with the <a href="../javascript/#dropdowns">dropdown JavaScript plugin</a>.</p> <h3 id="dropdowns-example">Example</h3> <p>Wrap the dropdown's trigger and the dropdown menu within <code>.dropdown</code>, or another element that declares <code>position: relative;</code>. Then add the menu's HTML.</p> <div class="bs-example"> <div class="dropdown clearfix"> <button class="btn dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown"> Dropdown <span class="caret"></span> </button> <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1"> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li> <li role="presentation" class="divider"></li> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Separated link</a></li> </ul> </div> </div><!-- /example --> {% highlight html %} <div class="dropdown"> <button class="btn dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown"> Dropdown <span class="caret"></span> </button> <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1"> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li> <li role="presentation" class="divider"></li> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Separated link</a></li> </ul> </div> {% endhighlight %} <h3 id="dropdowns-alignment">Alignment</h3> <p>By default, a dropdown menu is automatically positioned 100% from the top and along the left side of its parent. Add <code>.dropdown-menu-right</code> to a <code>.dropdown-menu</code> to right align the dropdown menu.</p> <div class="bs-callout bs-callout-warning"> <h4>May require additional positioning</h4> <p>Dropdowns are automatically positioned via CSS within the normal flow of the document. This means dropdowns may be cropped by parents with certain <code>overflow</code> properties or appear out of bounds of the viewport. Address these issues on your own as they arise.</p> </div> <div class="bs-callout bs-callout-warning"> <h4>Deprecated <code>.pull-right</code> alignment</h4> <p>As of v3.1.0, we've deprecated <code>.pull-right</code> on dropdown menus. To right-align a menu, use <code>.dropdown-menu-right</code>. Right-aligned nav components in the navbar use a mixin version of this class to automatically align the menu. To override it, use <code>.dropdown-menu-left</code>.</p> </div> {% highlight html %} <ul class="dropdown-menu dropdown-menu-right" role="menu" aria-labelledby="dLabel"> ... </ul> {% endhighlight %} <h3 id="dropdowns-headers">Headers</h3> <p>Add a header to label sections of actions in any dropdown menu.</p> <div class="bs-example"> <div class="dropdown clearfix"> <button class="btn dropdown-toggle" type="button" id="dropdownMenu2" data-toggle="dropdown"> Dropdown <span class="caret"></span> </button> <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu2"> <li role="presentation" class="dropdown-header">Dropdown header</li> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li> <li role="presentation" class="divider"></li> <li role="presentation" class="dropdown-header">Dropdown header</li> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Separated link</a></li> </ul> </div> </div><!-- /example --> {% highlight html %} <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu2"> <li role="presentation" class="dropdown-header">Dropdown header</li> ... <li role="presentation" class="divider"></li> <li role="presentation" class="dropdown-header">Dropdown header</li> ... </ul> {% endhighlight %} <h3 id="dropdowns-disabled">Disabled menu items</h3> <p>Add <code>.disabled</code> to a <code><li></code> in the dropdown to disable the link.</p> <div class="bs-example"> <div class="dropdown clearfix"> <button class="btn dropdown-toggle" type="button" id="dropdownMenu3" data-toggle="dropdown"> Dropdown <span class="caret"></span> </button> <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu3"> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Regular link</a></li> <li role="presentation" class="disabled"><a role="menuitem" tabindex="-1" href="#">Disabled link</a></li> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another link</a></li> </ul> </div> </div><!-- /example --> {% highlight html %} <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu3"> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Regular link</a></li> <li role="presentation" class="disabled"><a role="menuitem" tabindex="-1" href="#">Disabled link</a></li> <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another link</a></li> </ul> {% endhighlight %} </div>