BootStrap navbar sidebutton没有显示

我到处寻找，但无法找到为什么我的自举按钮不显示，当我缩小我的屏幕（当我让我的导航栏变小）。它适用于codepen.io，但不适用于我的电脑编辑器。当我说的按钮，我的意思是这样https://i.stack.imgur.com/2omaL.png BootStrap navbar sidebutton没有显示

<!DOCTYPE html> 
<html> 
    <head> 
     <meta charset="utf-8"> 
     <meta name="viewport" content = "width=device-width", initial-scale=1> 

     <!-- Latest compiled and minified JavaScript --> 

     <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> 
     <script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>  

     <!-- Latest compiled and minified CSS --> 
     <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css"> 

     <link rel="stylesheet" href="style.css> 
     <title>Portfolio</title> 
    </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" 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> 
     </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-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a> 
      <ul class="dropdown-menu"> 
      <li><a href="#">Action</a></li> 
      <li><a href="#">Another action</a></li> 
      <li><a href="#">Something else here</a></li> 
      <li role="separator" class="divider"></li> 
      <li><a href="#">Separated link</a></li> 
      <li role="separator" class="divider"></li> 
      <li><a href="#">One more separated link</a></li> 
      </ul> 
     </li> 
     </ul> 
     <form class="navbar-form navbar-left"> 
     <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-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a> 
      <ul class="dropdown-menu"> 
      <li><a href="#">Action</a></li> 
      <li><a href="#">Another action</a></li> 
      <li><a href="#">Something else here</a></li> 
      <li role="separator" class="divider"></li> 
      <li><a href="#">Separated link</a></li> 
      </ul> 
     </li> 
     </ul> 
    </div><!-- /.navbar-collapse --> 
    </div><!-- /.container-fluid --> 
</nav> 
    </body> 
</html>

来源

2017-03-20 Josh Bauss

改变这个<link rel="stylesheet" href="style.css>到<link rel="stylesheet" href="style.css">你忘了添加收盘报价

做工精细这里

<!DOCTYPE html> 
 
<html> 
 
    <head> 
 
     <meta charset="utf-8"> 
 
     <meta name="viewport" content = "width=device-width", initial-scale=1> 
 

 
     <!-- Latest compiled and minified JavaScript --> 
 

 
     <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> 
 
     <script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>  
 

 
     <!-- Latest compiled and minified CSS --> 
 
     <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css"> 
 

 
     <link rel="stylesheet" href="style.css"> 
 
     <title>Portfolio</title> 
 
    </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" 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> 
 
     </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-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a> 
 
      <ul class="dropdown-menu"> 
 
      <li><a href="#">Action</a></li> 
 
      <li><a href="#">Another action</a></li> 
 
      <li><a href="#">Something else here</a></li> 
 
      <li role="separator" class="divider"></li> 
 
      <li><a href="#">Separated link</a></li> 
 
      <li role="separator" class="divider"></li> 
 
      <li><a href="#">One more separated link</a></li> 
 
      </ul> 
 
     </li> 
 
     </ul> 
 
     <form class="navbar-form navbar-left"> 
 
     <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-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a> 
 
      <ul class="dropdown-menu"> 
 
      <li><a href="#">Action</a></li> 
 
      <li><a href="#">Another action</a></li> 
 
      <li><a href="#">Something else here</a></li> 
 
      <li role="separator" class="divider"></li> 
 
      <li><a href="#">Separated link</a></li> 
 
      </ul> 
 
     </li> 
 
     </ul> 
 
    </div><!-- /.navbar-collapse --> 
 
    </div><!-- /.container-fluid --> 
 
</nav> 
 
    </body> 
 
</html>

在右侧3栏按钮

来源

2017-03-20 02:44:19 neophyte

哇，谢谢你许多。我花了太多时间在这个:( –

高兴地帮助！接受答案，如果它有帮助 – neophyte

欢迎来到SO..in所以如果一个答案可以帮助我们upvote它，如果答案解决了你的问题，我们接受它..这是SO如何工作，并防止垃圾邮件的答案。 – neophyte

BootStrap navbar sidebutton没有显示

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