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Bootstrap Navbar无法正确响应

[英]Bootstrap Navbar not responding properly

 原文  2017-03-19 20:07:29  2   1    html/ twitter-bootstrap/ navbar

问题描述

我正在尝试为FreeCodeCamp项目创建投资组合，并以此视频作为我的导航栏的灵感。 这是CodePen，显示了我到目前为止所做的事情。 如您所见，导航栏的响应方式与视频中的响应方式不同，并且我经验不足，不知道为什么。 视频过时了吗？ 他在视频中使用的方法在CodePen中不起作用吗？ 我还想念其他东西吗？ 任何反馈都非常感谢。

码： 

<script src="https://use.fontawesome.com/f42d4534b0.js"></script>
<html>
<head> 
<title>

</title>
<meta name="viewport"content="width=device-width, initial-scale=1.0">
</head>

<body>

 <div class="navbar navbar-custom navbar-fixed-top">

<div class="container">

 <a href="#" class="navbar-brand">evdanger<a>

   <button class = "navbar-toggle pull-right" data-toggle = "collapse" data-target = ".navHeaderCollapse">
     <i class = "fa fa-bars"></i> 
   </button>

   <div class = "collapse navbar-collapse navHeaderCollapse">

     <ul class = "nav navbar-nav navbar-right">

      <li class = "active"><a href = "#">Home</li>
       <li class = "dropdown">

         <a href = "#" class = "dropdown-toggle" data-toggle = "dropdown">Social Media</a>

         <ul class = "dropdown-menu">

           <li><a href = "#">Twitter</li>
           <li><a href = "#">Facebook</li>
           <li><a href = "#">Google+</li>
           <li><a href = "#">Instagram</li>

         </ul>
       </li>
       <li><a href = "#">Portfolio</li>
       <li><a href = "#">Contact</li>
     </ul>

   </div>


  </body>



</html>

我会很新，我会竭尽所能为您提供帮助。

1 个解决方案

解决方案1
 1  2017-03-20 00:26:31

首先，您需要关闭所有的a tags 。

您只需要添加这些CDN即可使您的代码正常工作。 这些bootstrap 3 CDN的- 

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>

<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>

工作片段 

 <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script> <!-- Latest compiled and minified JavaScript --> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script> <script src="https://use.fontawesome.com/f42d4534b0.js"></script> <html> <head> <title> </title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> </head> <body> <div class="navbar navbar-custom navbar-fixed-top"> <div class="container"> <a href="#" class="navbar-brand">evdanger</a> <button class="navbar-toggle pull-right" data-toggle="collapse" data-target=".navHeaderCollapse"> <i class = "fa fa-bars"></i> </button> <div class="collapse navbar-collapse navHeaderCollapse"> <ul class="nav navbar-nav navbar-right"> <li class="active"><a href="#">Home</a></li> <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown">Social Media</a> <ul class="dropdown-menu"> <li><a href="#">Twitter</a></li> <li><a href="#">Facebook</a></li> <li><a href="#">Google+</a></li> <li><a href="#">Instagram</a></li> </ul> </li> <li><a href="#">Portfolio</a></li> <li><a href="#">Contact</a></li> </ul> </div> </div> </div> </body> </html>

如果您要使用Bootstrap 4，则这些是Bootstrap 4 CDN- 

<link rel="stylesheet" 
 href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0- alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous"> 

  <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>

   <script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin="anonymous"></script>

  <script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script> 

  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"></script>

Bootstrap 4导航栏的简单示例，可从其官方网站获取 

 <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script> <script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin="anonymous"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"></script> <nav class="navbar navbar-toggleable-md navbar-light bg-faded"> <button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <a class="navbar-brand" href="#">Navbar</a> <div class="collapse navbar-collapse" id="navbarSupportedContent"> <ul class="navbar-nav mr-auto"> <li class="nav-item active"> <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link disabled" href="#">Disabled</a> </li> </ul> <form class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="text" placeholder="Search"> <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button> </form> </div> </nav>

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