【问题标题】:Bootstrap 4 collapsed button not clickable [duplicate]Bootstrap 4折叠按钮不可点击[重复]
【发布时间】:2019-03-20 20:24:12
【问题描述】:

我正在开发一个网站。我计划有一个折叠菜单,但折叠按钮似乎不起作用。

 <link rel="stylesheet" type="text/css" href="css/style.css"/>
 <link rel="stylesheet" type="text/css" href="css/bootstrap.css"/>
 <link rel="stylesheet" type="text/css" href="css/bootstrap-grid.css"/>
 <link rel="stylesheet" type="text/css" href="css/bootstrap-reboot.css"/>

</head>

<body>

<div class="pos-f-t">
<div class="collapse" id="navbarToggleExternalContent">
<div class="bg-dark p-4">
  <h4 class="text-white">Title here.</h4>
  <span class="text-muted">Text here.</span>
</div>
</div>
<nav class="navbar navbar-dark bg-dark">
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarToggleExternalContent" aria-controls="navbarToggleExternalContent" aria-expanded="false" aria-label="Toggle navigation">
  <span class="navbar-toggler-icon"></span>
 </button>
 </nav>
 </div>



 <!-- SCRIPT -->
 <script  src="js/bootstrap.js"></script>
 <script  src="js/bootstrap.bundle.js"></script>
 <script  src="js/jquery-1.11.2.min.js"></script>
 <!-- END OF SCRIPT -->
 </body>


 </html>

我从引导站点本身复制了它,然后将它粘贴到我的dreamweaver 上并加载它,栏和折叠按钮都在那里。

【问题讨论】:

    标签: html css twitter-bootstrap


    【解决方案1】:

    尝试使用live linkcss and script 或下载库并使其脱机。

    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
    <!--<link rel="stylesheet" type="text/css" href="css/style.css"/>
     <link rel="stylesheet" type="text/css" href="css/bootstrap.css"/>
     <link rel="stylesheet" type="text/css" href="css/bootstrap-grid.css"/>
     <link rel="stylesheet" type="text/css" href="css/bootstrap-reboot.css"/>-->
    
    
    
    <body>
    
      <div class="pos-f-t">
        <div class="collapse" id="navbarToggleExternalContent">
          <div class="bg-dark p-4">
            <h4 class="text-white">Title here.</h4>
            <span class="text-muted">Text here.</span>
          </div>
        </div>
        <nav class="navbar navbar-dark bg-dark">
          <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarToggleExternalContent" aria-controls="navbarToggleExternalContent" aria-expanded="false" aria-label="Toggle navigation">
      <span class="navbar-toggler-icon"></span>
     </button>
        </nav>
      </div>
    
    
    
      <!-- SCRIPT -->
      <script src="js/bootstrap.js"></script>
      <script src="js/bootstrap.bundle.js"></script>
      <script src="js/jquery-1.11.2.min.js"></script>
      <!-- END OF SCRIPT -->
    </body>
    
    
    </html>

    【讨论】:

      【解决方案2】:

      您的 javascript 文件的顺序似乎不正确。

      此外,您不需要 bootstrap.js 和 bootstrap.bundle.js - 只需使用捆绑包,因为它是 bootstrap.js + popper.js 在 1 个组合文件中(请参阅:https://getbootstrap.com/docs/4.1/getting-started/contents/#js-files)。

      所以...尝试将您的 javascript 更改为:

      <!-- SCRIPT -->
      <script  src="js/jquery-1.11.2.min.js"></script>
      <script  src="js/bootstrap.bundle.js"></script>
      <!-- END OF SCRIPT -->
      

      编辑:看起来您的 css 文件的顺序也有误,您并不需要全部。将它们更改为:

      <link rel="stylesheet" type="text/css" href="css/bootstrap.css"/>
      <link rel="stylesheet" type="text/css" href="css/style.css"/>
      

      【讨论】:

        【解决方案3】:

        <html>
        <head>
        <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js"></script>
        <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.bundle.min.js"></script>
        <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js"></script>
        <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" rel="stylesheet"/>
        <link rel="stylesheet" type="text/css" href="css/style.css"/>
         <link rel="stylesheet" type="text/css" href="css/bootstrap.css"/>
         <link rel="stylesheet" type="text/css" href="css/bootstrap-grid.css"/>
         <link rel="stylesheet" type="text/css" href="css/bootstrap-reboot.css"/>
        
        </head>
        
        <body>
        
        <div class="pos-f-t">
        <div class="collapse" id="navbarToggleExternalContent">
        <div class="bg-dark p-4">
          <h4 class="text-white">Title here.</h4>
          <span class="text-muted">Text here.</span>
        </div>
        </div>
        <nav class="navbar navbar-dark bg-dark">
        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarToggleExternalContent" aria-controls="navbarToggleExternalContent" aria-expanded="false" aria-label="Toggle navigation">
          <span class="navbar-toggler-icon"></span>
         </button>
         </nav>
         </div>
        
        
        
         <!-- SCRIPT -->
         <script  src="js/bootstrap.js"></script>
         <script  src="js/bootstrap.bundle.js"></script>
         <script  src="js/jquery-1.11.2.min.js"></script>
         <!-- END OF SCRIPT -->
         </body>
        
        
         </html>

        您可能在项目文件夹中缺少一些 css 或 js 文件。

        【讨论】:

          【解决方案4】:

          问题肯定出在您的引导依赖文件上。使用 js 和 css 的 CDN,页面将很容易工作,否则要离线工作,您应该下载引导文件并应按正确顺序放置按正确顺序导入相同 Refer.
          你可以试试这个(使用 Bootstrap CDN):

          <!-- <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
          <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
          <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
          
          <link rel="stylesheet" type="text/css" href="css/style.css"/>
           <link rel="stylesheet" type="text/css" href="css/bootstrap.css"/>
           <link rel="stylesheet" type="text/css" href="css/bootstrap-grid.css"/>
           <link rel="stylesheet" type="text/css" href="css/bootstrap-reboot.css"/>  -->
          
          <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
          
          <body>
          
            <div class="pos-f-t">
              <div class="collapse" id="navbarToggleExternalContent">
                <div class="bg-dark p-4">
                  <h4 class="text-white">Title here.</h4>
                  <span class="text-muted">Text here.</span>
                </div>
              </div>
              <nav class="navbar navbar-dark bg-dark">
                <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarToggleExternalContent" aria-controls="navbarToggleExternalContent" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
           </button>
              </nav>
            </div>
          
          
          
          <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
          <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
          <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
          </body>
          
          
          </html>

          【讨论】:

          • 非常感谢!这有效!
          • @Anj 随时欢迎您。
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