CSSON / Mojolicious-Plugin-BootstrapHelpers-0.0206 / examples / dropdown-1.html 
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<p>By default, <code>tabindex</code> is set to <code>-1</code>:</p>
<pre>&lt;div class=&quot;text-right&quot;&gt;
    &lt;%= dropdown
         [&#39;Dropdown 1&#39;, id =&gt; &#39;a_custom_id&#39;, right, items =&gt; [
            [&#39;Item 1&#39;, [&#39;item1&#39;] ],
            [&#39;Item 2&#39;, [&#39;item2&#39;] ],
            [],
            [&#39;Item 3&#39;, [&#39;item3&#39;] ]
         ] ] %&gt;
&lt;/div&gt;</pre>
<pre>&lt;div class=&quot;text-right&quot;&gt;
    &lt;div class=&quot;dropdown&quot;&gt;
        &lt;button class=&quot;btn btn-default dropdown-toggle&quot; type=&quot;button&quot; id=&quot;a_custom_id&quot; data-toggle=&quot;dropdown&quot;&gt;Dropdown 1&lt;/button&gt;
        &lt;ul class=&quot;dropdown-menu dropdown-menu-right&quot;&gt;
            &lt;li&gt;&lt;a class=&quot;menuitem&quot; href=&quot;item1&quot; tabindex=&quot;-1&quot;&gt;Item 1&lt;/a&gt;&lt;/li&gt;
            &lt;li&gt;&lt;a class=&quot;menuitem&quot; href=&quot;item2&quot; tabindex=&quot;-1&quot;&gt;Item 2&lt;/a&gt;&lt;/li&gt;
            &lt;li class=&quot;divider&quot;&gt;&lt;/li&gt;
            &lt;li&gt;&lt;a class=&quot;menuitem&quot; href=&quot;item3&quot; tabindex=&quot;-1&quot;&gt;Item 3&lt;/a&gt;&lt;/li&gt;
        &lt;/ul&gt;
    &lt;/div&gt;
&lt;/div&gt;</pre>
<div>    <div class="text-right">        <div class="dropdown">            <button class="btn btn-default dropdown-toggle" type="button" id="a_custom_id" data-toggle="dropdown">Dropdown 1</button>            <ul class="dropdown-menu dropdown-menu-right">                <li><a class="menuitem" href="item1" tabindex="-1">Item 1</a></li>                <li><a class="menuitem" href="item2" tabindex="-1">Item 2</a></li>                <li class="divider"></li>                <li><a class="menuitem" href="item3" tabindex="-1">Item 3</a></li>            </ul>        </div>    </div></div>
<hr />
<p>...but it can be overridden:</p>
<pre>&lt;%= dropdown
     [&#39;Dropdown 2&#39;, caret, large, primary, items =&gt; [
        [&#39;Item 1&#39;, [&#39;item1&#39;], data =&gt; { attr =&gt; 2 } ],
        [&#39;Item 2&#39;, [&#39;item2&#39;], disabled, data =&gt; { attr =&gt; 4 } ],
        [],
        [&#39;Item 3&#39;, [&#39;item3&#39;], data =&gt; { attr =&gt; 7 } ],
        [],
        [&#39;Item 4&#39;, [&#39;item4&#39;], tabindex =&gt; 4 ],
        &#39;This is a header&#39;,
        [&#39;Item 5&#39;, [&#39;item5&#39;] ],
     ] ] %&gt;</pre>
<pre>&lt;div class=&quot;dropdown&quot;&gt;
    &lt;button class=&quot;btn btn-lg btn-primary dropdown-toggle&quot; type=&quot;button&quot; data-toggle=&quot;dropdown&quot;&gt;Dropdown 2 &lt;span class=&quot;caret&quot;&gt;&lt;/span&gt;&lt;/button&gt;
    &lt;ul class=&quot;dropdown-menu&quot;&gt;
        &lt;li&gt;&lt;a class=&quot;menuitem&quot; href=&quot;item1&quot; tabindex=&quot;-1&quot; data-attr=&quot;2&quot;&gt;Item 1&lt;/a&gt;&lt;/li&gt;
        &lt;li class=&quot;disabled&quot;&gt;&lt;a class=&quot;menuitem&quot; href=&quot;item2&quot; tabindex=&quot;-1&quot; data-attr=&quot;4&quot;&gt;Item 2&lt;/a&gt;&lt;/li&gt;
        &lt;li class=&quot;divider&quot;&gt;&lt;/li&gt;
        &lt;li&gt;&lt;a class=&quot;menuitem&quot; href=&quot;item3&quot; tabindex=&quot;-1&quot; data-attr=&quot;7&quot;&gt;Item 3&lt;/a&gt;&lt;/li&gt;
        &lt;li class=&quot;divider&quot;&gt;&lt;/li&gt;
        &lt;li&gt;&lt;a class=&quot;menuitem&quot; href=&quot;item4&quot; tabindex=&quot;4&quot;&gt;Item 4&lt;/a&gt;&lt;/li&gt;
        &lt;li class=&quot;dropdown-header&quot;&gt;This is a header&lt;/li&gt;
        &lt;li&gt;&lt;a class=&quot;menuitem&quot; href=&quot;item5&quot; tabindex=&quot;-1&quot;&gt;Item 5&lt;/a&gt;&lt;/li&gt;
    &lt;/ul&gt;
&lt;/div&gt;</pre>
<div>    <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></div>
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        <pre style="background-color: #fff; border-width: 0px;">



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