【问题标题】:Collapsing nav doesnt work nor dropdowns!? bootstrap折叠导航不适用于下拉菜单!?引导程序
【发布时间】:2015-04-19 21:31:29
【问题描述】:

我不明白为什么它不起作用

在痛苦地尝试折叠菜单之后,我只是从引导网站完全复制了代码,但它仍然不起作用,我已经尝试了所有在本地添加文件的方法,添加了我严重不知道有什么问题的 cdn: (

也许你们可以帮助我

<!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">
<title>Bootstrap 101 Template</title>    

<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="css/bootstrap.min.css">

<!-- Latest compiled and minified JavaScript -->
<script src="js/bootstrap.min.js"></script>

</head>

<body>

<nav class="navbar navbar-default">
<div class="container-fluid">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header">
  <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
    <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="#">Brand</a>
</div>

<!-- Collect the nav links, forms, and other content for toggling -->
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
  <ul class="nav navbar-nav">
    <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li>
    <li><a href="#">Link</a></li>
    <li class="dropdown">
      <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">Dropdown <span class="caret"></span></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>
  <form class="navbar-form navbar-left" role="search">
    <div class="form-group">
      <input type="text" class="form-control" placeholder="Search">
    </div>
    <button type="submit" class="btn btn-default">Submit</button>
  </form>
  <ul class="nav navbar-nav navbar-right">
    <li><a href="#">Link</a></li>
    <li class="dropdown">
      <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">Dropdown <span class="caret"></span></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>
      </ul>
    </li>
  </ul>
</div><!-- /.navbar-collapse -->
</div><!-- /.container-fluid -->
</nav>

</body>


</html>

【问题讨论】:

    标签: css twitter-bootstrap nav collapse


    【解决方案1】:

    在&lt;/body&gt;之前添加&lt;script src="js/bootstrap.min.js"&gt;&lt;/script&gt;

    编辑:你还需要jQuery,在bootstrap.min.js之前添加

    【讨论】:

      【解决方案2】:

      在 bootstrap.min.js 之前包含 jquery

      <script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
      
      <!-- Latest compiled and minified JavaScript -->
      <script src="js/bootstrap.min.js"></script>
      

      Bootstrap 需要 jquery 才能运行...

      HTH -泰德

      【讨论】:

      • 呵呵,是的,这就是问题所在,我正在学习使用引导程序,谢谢
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