用 Bootstrap 创建下拉菜单

要使用 Bootstrap 创建下拉菜单，请使用 .dropdown-menu 类。

你可以尝试运行以下代码来实现下拉菜单

示例

动态演示

<!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 = "dropdown">
         <button type = "button" class = "btn dropdown-toggle" id = "dropdownMenu1" data-toggle = "dropdown">
            Department
            <span class = "caret"></span>
         </button>
         <ul class = "dropdown-menu pull-right" role = "menu" aria-labelledby = "dropdownMenu1">
            <li role = "presentation">
               <a role = "menuitem" tabindex = "-1" href = "#">IT</a>
            </li>
            <li role = "presentation">
               <a role = "menuitem" tabindex = "-1" href = "#">Marketing</a>
            </li>
            <li role = "presentation">
               <a role = "menuitem" tabindex = "-1" href = "#">
                  Finance
               </a>
            </li>
            <li role = "presentation">
               <a role = "menuitem" tabindex = "-1" href = "#">Separated link</a>
            </li>
         </ul>
      </div>
   </body>
</html>

更新时间：2020 年 6 月 12 日

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