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Toggleable, contextual menu for displaying lists of links. Made interactive with the dropdown JavaScript plugin.

Example

Wrap the dropdown's trigger and the dropdown menu within .dropdown, or another element that declares position: relative;. Then add the menu's HTML.


                <div class="dropdown">
                    <button class="btn dropdown-toggle sr-only" 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>

Alignment

By default, a dropdown menu is automatically positioned 100% from the top and along the left side of its parent. Add .dropdown-menu-right to a .dropdown-menu to right align the dropdown menu.

May require additional positioning

Dropdowns are automatically positioned via CSS within the normal flow of the document. This means dropdowns may be cropped by parents with certain overflow properties or appear out of bounds of the viewport. Address these issues on your own as they arise.

Deprecated `.pull-right` alignment

As of v3.1.0, we've deprecated .pull-right on dropdown menus. To right-align a menu, use .dropdown-menu-right. Right-aligned nav components in the navbar use a mixin version of this class to automatically align the menu. To override it, use .dropdown-menu-left.


                <ul class="dropdown-menu dropdown-menu-right" role="menu" aria-labelledby="dLabel">
                    ...
                </ul>

Headers

Add a header to label sections of actions in any dropdown menu.


                <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>

Disabled menu items

Add .disabled to a <li> in the dropdown to disable the link.


            <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>

Dropdowns