1 <div class="bs-docs-section">
2 <h1 id="dropdowns" class="page-header">Dropdowns</h1>
4 <p class="lead">Toggleable, contextual menu for displaying lists of links. Made interactive with the <a href="../javascript/#dropdowns">dropdown JavaScript plugin</a>.</p>
6 <h2 id="dropdowns-example">Example</h2>
7 <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. Dropdown menus can be changed to expand upwards (instead of downwards) by adding <code>.dropup</code> to the parent.</p>
8 <div class="bs-example" data-example-id="static-dropdown">
9 <div class="dropdown clearfix">
10 <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-expanded="true">
12 <span class="caret"></span>
14 <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
15 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
16 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
17 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
20 <div class="dropup clearfix">
21 <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu2" data-toggle="dropdown" aria-expanded="true">
23 <span class="caret"></span>
25 <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu2">
26 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
27 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
28 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
31 </div><!-- /example -->
33 <div class="dropdown">
34 <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-expanded="true">
36 <span class="caret"></span>
38 <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
39 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
40 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
41 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
42 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Separated link</a></li>
46 <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu2" data-toggle="dropdown" aria-expanded="true">
48 <span class="caret"></span>
50 <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu2">
51 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
52 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
53 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
54 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Separated link</a></li>
59 <h2 id="dropdowns-alignment">Alignment</h2>
60 <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>
61 <div class="bs-callout bs-callout-warning" id="callout-dropdown-positioning">
62 <h4>May require additional positioning</h4>
63 <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>
65 <div class="bs-callout bs-callout-warning" id="callout-dropdown-pull-right">
66 <h4>Deprecated <code>.pull-right</code> alignment</h4>
67 <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>
70 <ul class="dropdown-menu dropdown-menu-right" role="menu" aria-labelledby="dLabel">
75 <h2 id="dropdowns-headers">Headers</h2>
76 <p>Add a header to label sections of actions in any dropdown menu.</p>
77 <div class="bs-example">
78 <div class="dropdown clearfix">
79 <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu3" data-toggle="dropdown" aria-expanded="true">
81 <span class="caret"></span>
83 <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu3">
84 <li role="presentation" class="dropdown-header">Dropdown header</li>
85 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
86 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
87 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
88 <li role="presentation" class="dropdown-header">Dropdown header</li>
89 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Separated link</a></li>
92 </div><!-- /example -->
94 <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu3">
96 <li role="presentation" class="dropdown-header">Dropdown header</li>
101 <h2 id="dropdowns-divider">Divider</h2>
102 <p>Add a divider to separate series of links in a dropdown menu.</p>
103 <div class="bs-example">
104 <div class="dropdown clearfix">
105 <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenuDivider" data-toggle="dropdown" aria-expanded="true">
107 <span class="caret"></span>
109 <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenuDivider">
110 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
111 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
112 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
113 <li role="presentation" class="divider"></li>
114 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Separated link</a></li>
117 </div><!-- /example -->
119 <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenuDivider">
121 <li role="presentation" class="divider"></li>
126 <h2 id="dropdowns-disabled">Disabled menu items</h2>
127 <p>Add <code>.disabled</code> to a <code><li></code> in the dropdown to disable the link.</p>
128 <div class="bs-example">
129 <div class="dropdown clearfix">
130 <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu4" data-toggle="dropdown" aria-expanded="true">
132 <span class="caret"></span>
134 <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu4">
135 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Regular link</a></li>
136 <li role="presentation" class="disabled"><a role="menuitem" tabindex="-1" href="#">Disabled link</a></li>
137 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another link</a></li>
140 </div><!-- /example -->
142 <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu4">
143 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Regular link</a></li>
144 <li role="presentation" class="disabled"><a role="menuitem" tabindex="-1" href="#">Disabled link</a></li>
145 <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another link</a></li>