dropdown

UK[drɒp'daʊn] US[drɒp'daʊn]

n. Drop-down (list), drop-down (menu); water level drop Deep

header

UK[ˈhedə(r)] US[ˈhɛdɚ]

n. Header; cutting machine; (when printing from computer Automatically added to the top of each page) header; header

Bootstrap dropdown-header style syntax

Function: Add a title to the drop-down menu

Bootstrap dropdown-header style example

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
    <title>Bootstrap 实例 - 下拉菜单</title>
	<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css">
	<script src="https://cdn.bootcss.com/jquery/2.1.1/jquery.min.js"></script>
	<script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>

<div class="container">
  <h2>下拉菜单</h2>
  <p>.dropdown-header 类用于在下拉菜单中添加标题：</p>
  <div class="dropdown">
    <button class="btn btn-default dropdown-toggle" type="button" id="menu1" data-toggle="dropdown">教程
    <span class="caret"></span></button>
    <ul class="dropdown-menu" role="menu" aria-labelledby="menu1">
      <li role="presentation" class="dropdown-header">下拉菜单标题 1</li>
      <li role="presentation"><a role="menuitem" tabindex="-1" href="#">HTML</a></li>
      <li role="presentation"><a role="menuitem" tabindex="-1" href="#">CSS</a></li>
      <li role="presentation"><a role="menuitem" tabindex="-1" href="#">JavaScript</a></li>
      <li role="presentation" class="divider"></li>
      <li role="presentation" class="dropdown-header">下拉菜单标题 2</li>
      <li role="presentation"><a role="menuitem" tabindex="-1" href="#">关于我们</a></li>
    </ul>
  </div>
</div>

</body>
</html>
Run instance »

Click the "Run instance" button to view the online instance