Bootstrap導航欄摺疊按鈕沒有顯示

我正在做一個應用程序與引導，我有一個導航欄，但由於某種原因，當我調整頁面鏈接消失，但切換按鈕不顯示。Bootstrap導航欄摺疊按鈕沒有顯示

這裏是我的導航欄：

<nav class="navbar navbar-default"> 
    <div class="container-fluid"> 
    <div class="navbar-header"> 
     <div class="navbar-brand">title</div> 
    </div> 
    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1"> 
     <ul class="nav navbar-nav navbar-right"> 
      <li>one</li> 
      <li>two</li> 
      <li>three</li> 
      <li>four</li> 
     </ul> 
    </div> 
</nav>

任何幫助解決這一問題將不勝感激。你還沒有

來源

2016-09-13 user2320239

我接過分量回來，你可以[點擊這裏結果]檢查（ https://jsfiddle.net/xg66Lw6b/）。 –

您目前沒有在你的代碼的切換按鈕。試着將下面的崩潰之前，你的導航欄頭後：

<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar"> 
    <span class="icon-bar"></span> 
    <span class="icon-bar"></span> 
    <span class="icon-bar"></span> 
    </button>

http://www.w3schools.com/bootstrap/bootstrap_navbar.asp

<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"> 
 
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script> 
 
    <script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> 
 

 
<nav class="navbar navbar-inverse"> 
 
    <div class="container-fluid"> 
 
    <div class="navbar-header"> 
 
     <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar"> 
 
     <span class="icon-bar"></span> 
 
     <span class="icon-bar"></span> 
 
     <span class="icon-bar"></span> 
 
     </button> 
 
     <a class="navbar-brand" href="#">WebSiteName</a> 
 
    </div> 
 
    <div class="collapse navbar-collapse" id="myNavbar"> 
 
     <ul class="nav navbar-nav"> 
 
     <li class="active"><a href="#">Home</a></li> 
 
     <li class="dropdown"> 
 
      <a class="dropdown-toggle" data-toggle="dropdown" href="#">Page 1 <span class="caret"></span></a> 
 
      <ul class="dropdown-menu"> 
 
      <li><a href="#">Page 1-1</a></li> 
 
      <li><a href="#">Page 1-2</a></li> 
 
      <li><a href="#">Page 1-3</a></li> 
 
      </ul> 
 
     </li> 
 
     <li><a href="#">Page 2</a></li> 
 
     <li><a href="#">Page 3</a></li> 
 
     </ul> 
 
     <ul class="nav navbar-nav navbar-right"> 
 
     <li><a href="#"><span class="glyphicon glyphicon-user"></span> Sign Up</a></li> 
 
     <li><a href="#"><span class="glyphicon glyphicon-log-in"></span> Login</a></li> 
 
     </ul> 
 
    </div> 
 
    </div> 
 
</nav> 
 
    
 
<div class="container"> 
 
    <h3>Collapsible Navbar</h3> 
 
    <p>In this example, the navigation bar is hidden on small screens and replaced by a button in the top right corner (try to re-size this window). 
 
    <p>Only when the button is clicked, the navigation bar will be displayed.</p> 
 
</div>

來源

2016-09-13 13:42:26 Benneb10

不要鏈接w3scools，不是一個很好的參考網站 – dippas

增加了一個切換按鈕，因爲我可以在你的代碼中看到

<div class="navbar-header"> 
     <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false"> 
     <span class="icon-bar"></span> 
     <span class="icon-bar"></span> 
     <span class="icon-bar"></span> 
     </button> 
     <div class="navbar-brand">title</div> 
</div>

欲瞭解更多詳情，請參閱Navbar documentation (bootstrap)

來源

2016-09-13 13:41:55

Bootstrap導航欄摺疊按鈕沒有顯示

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