使用Bootstrap禁用下拉菜单项
要在Bootstrap中禁用下拉菜单项，请将.disabled类与.dropdown-menu类一起使用。
您可以尝试运行以下代码以禁用下拉项-
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>Beverages</h2>
<p>The following are the beverages available in India:</p>
<div class = "dropdown">
<button class = "btn btn-primary dropdown-toggle" type = "button" data-toggle="dropdown">Beverages
<span class="caret"></span></button>
<ul class = "dropdown-menu">
<li><a href = "#">Gatorade</a></li>
<li class = "disabled"><a href = "#">Sting</a></li>
<li><a href = "#">Red Bull</a></li>
<li><a href = "#">Pepsi</a></li>
<li><a href = "#">Coca Cola</a></li>
</ul>
</div>
</div>
</body>
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