在按照 youtube 上有关实现简单导航菜单的教程进行操作后,我在获取下拉菜单以显示和折叠两个附加链接时遇到了问题。似乎无法弄清楚问题所在。我是否需要链接到另一个样式表或 .js 文件?
<html>
<head>
<title>None</title>
<link type="text/css" rel="stylesheet" href="css/bootstrap.css">
</head>
<body>
<!--Fixed Navbar with dropdown -->
<div class ="navbar navbar-inverse navbar-fixed-top">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle"collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a href="#" class="brand"><img class="logo" src="images/om_logo_2.png"></a>
</div>
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Opportunities <b class="caret"></b></a>
<ul class="dropdown-menu">
<li><a href="hgv.html">HGV & Lorry Delivery</a></li>
<li><a href="domestic.html">Domestic Parcel & Package Courier</a></li>
</ul>
</li>
<li><a href="#">Vehicle Hire</a></li>
<li><a href="#">Contact Us</a></li>
</ul>
</div>
</div>
...
<script src="js/jquery.js"></script>
<script src="js/bootstrap.js"></script>
</body>
</html>
最佳答案
您没有引用 jquery 库
就像在 Bootstrap 示例中一样 here
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="https://code.jquery.com/jquery.js"></script>
<!-- Include all compiled plugins (below), or include individual files as needed -->
<script src="js/bootstrap.min.js"></script>
关于javascript - 导航栏下拉菜单(使用 Bootstrap )不起作用,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/20887949/