導航欄中的引導切換不起作用

我對引導程序並不是全新的，但我無法弄清楚這裏有什麼問題。我需要爲移動設備顯示的下拉菜單。我剛剛使用getbootstrap.com navbar中的示例並更改了一些單詞。導航欄中的引導切換不起作用

<nav class="navbar navbar-default"> 
    <div class="container-fluid background_green"> 
     <!-- Brand and toggle get grouped for better mobile display --> 
     <div class="navbar-header"> 
      <a type="button" class="btn btn-navbar navbar-toggle collapsed" data-toggle="collapse" data-target="#yourcity_1" aria-expanded="false"> 
       <span class="sr-only">Toggle navigation</span> 
       <span class="icon-bar"></span> 
       <span class="icon-bar"></span> 
       <span class="icon-bar"></span> 
      </a> 
      <a class="navbar-brand" href="index.html">YourCity</a> 
     </div> 

     <!-- Collect the nav links, forms, and other content for toggling --> 
     <div class="collapse navbar-collapse" id="yourcity_1"> 
      <ul class="nav navbar-nav"> 
       <li><a href="explore.html">Explore</a></li> 
       <li><a href="improve.html">Improve</a></li> 

      </ul> 
      <form class="navbar-form navbar-right" role="search"> 
       <div class="form-group"> 
        <input type="text" class="form-control" placeholder="Search YourCity"> 
       </div> 
       <button type="submit" class="btn btn-default">Submit</button> 
      </form> 

     </div><!-- /.navbar-collapse --> 
    </div><!-- /.container-fluid --> 
</nav>

在這裏，我的頭：

<head lang="en"> 
<meta charset="UTF-8"> 
<!-- Latest compiled and minified CSS --> 
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css"> 
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script> 
<!-- Optional theme --> 
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap-theme.min.css"> 
<link rel="stylesheet" href="css/styles.css"> 
<!-- Latest compiled and minified JavaScript --> 
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script> 
<title>YourCity</title>

我在這裏讀了一些文章，但我的問題是北京時間菜單不開/切換。所以我可以點擊3條，沒有任何反應。

來源

2015-06-21 Raphael Wiegand

做工精細 - http://jsfiddle.net/soledar10/g7kym2zh/和http://getbootstrap.com/getting-started/ – Dmitriy

哦，謝謝！但它不在我的瀏覽器中。 Bootstrap.css和.js包含在頭 –

@RaphaelWiegand檢查我的回答 – Alex

試試這個，

<meta name="viewport" content="width=device-width, initial-scale=1"> 
 
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css"> 
 
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script> 
 
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script> 
 

 
<div class="container"> 
 

 
    <div class="dropdown"> 
 
    <button class="btn btn-default dropdown-toggle" type="button" id="menu1" data-toggle="dropdown">Tutorials 
 
     <span class="caret"></span> 
 
    </button> 
 
    <ul class="dropdown-menu" role="menu" aria-labelledby="menu1"> 
 
     <li role="presentation"><a role="menuitem" tabindex="-1" href="#">HTML</a> 
 
     </li> 
 
     <li role="presentation"><a role="menuitem" tabindex="-1" href="#">CSS</a> 
 
     </li> 
 
     <li role="presentation"><a role="menuitem" tabindex="-1" href="#">JavaScript</a> 
 
     </li> 
 
     <li role="presentation" class="divider"></li> 
 
     <li role="presentation"><a role="menuitem" tabindex="-1" href="#">About Us</a> 
 
     </li> 
 
    </ul> 
 
    </div> 
 
</div>

來源

2015-06-21 18:49:39 Alex

對不起，這也不起作用:( –

@RaphaelWiegand你是否運行了該代碼段？ – Alex

導航欄中的引導切換不起作用

回答

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