Html 使用引导和下拉按钮制作导航条不起作用
这是代码。我一直在网上看教程，在这里搜索解决方案，但都没有用。可能是我太笨了，但请帮忙Html 使用引导和下拉按钮制作导航条不起作用,html,css,twitter-bootstrap-3,Html,Css,Twitter Bootstrap 3,这是代码。我一直在网上看教程，在这里搜索解决方案，但都没有用。可能是我太笨了，但请帮忙 <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=devi
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
<title>Bootstrap 101 Template</title>
<!-- Bootstrap -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]-->
</head>
<body>
<div class="navbar navbar-default navbar-fixed-top" role="navigation">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">Squad Builder.net</a>
</div>
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav navbar-right">
<li class="active"><a href="#">Home</a></li>
<li><a href="#">About</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Information</a>
</li>
</div>
</div>
</div>
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<!-- Include all compiled plugins (below), or include individual files as needed -->
<script src="js/bootstrap.min.js"></script>
</body>
</html>
引导101模板
切换导航
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<div class="navbar navbar-default navbar-fixed-top" role="navigation">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse"> <span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button> <a class="navbar-brand" href="#">Squad Builder.net</a>
</div>
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav navbar-right">
<li class="active"><a href="#">Home</a>
</li>
<li><a href="#">About</a>
</li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Information <span class="caret"></a>
<ul class="dropdown-menu" role="menu">
<li><a href="#">Action</a>
</li>
<li><a href="#">Another action</a>
</li>
<li><a href="#">Something else here</a>
</li>
<li class="divider"></li>
<li><a href="#">Separated link</a>
</li>
<li class="divider"></li>
<li><a href="#">One more separated link</a>
</li>
</ul>
</li>
</ul>
</div>
</div>
</div>
切换导航
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另外，别忘了用插入符号类添加span，以表示它是一个下拉列表。我希望我得到了您想要的
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav navbar-right">
<li class="active"><a href="#">Home</a></li>
<li><a href="#">About</a></li>
<!--first u need to add the list tag <li>-->
<li class="dropdown">
<!--then add the first level link with toggle class see bootstrap docs-->
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">Information
<!--this is to display the small arrow u can change it to what ever u want-->
<span class="caret"></span></a>
<!--here are the second level links-->
<ul class="dropdown-menu" role="menu">
<li><a href="#">item 1</a></li>
<li><a href="#">item 2</a></li>
<li><a href="#">item 3</a></li>
</ul>
</li>
<!--u forgot to close the first <ul>-->
</ul>
</div>
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