使用Bootstrap向上设置下拉菜单
使用Bootstrap中的.dropup类向上设置一个下拉菜单。
您可以尝试运行以下代码来实现.dropup类-
示例
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Example</title>
<link href = "/bootstrap/css/bootstrap.min.css" rel = "stylesheet">
<script src = "/scripts/jquery.min.js"></script>
<script src = "/bootstrap/js/bootstrap.min.js"></script>
</head>
<body>
<div class = "container">
<h2>Mobile Phones</h2>
<p>The following are the mobile phone brands available in India:</p>
<div class="dropup">
<button class = "btn btn-default dropdown-toggle" type = "button" data-toggle="dropdown">Companies
<span class = "caret"></span></button>
<ul class = "dropdown-menu">
<li><a href = "#">Apple</a></li>
<li><a href = "#">Samsung</a></li>
<li><a href = "#">Oppo</a></li>
<li><a href = "#">Nokia</a></li>
</ul>
</div>
</div>
</body>
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