【问题标题】:Bootstrap 3 collapsed menu not working on mobile screens [closed]Bootstrap 3折叠菜单在移动屏幕上不起作用[关闭]
【发布时间】:2017-07-25 01:39:25
【问题描述】:

似乎很多人都遇到了这个问题 (https://github.com/twbs/bootstrap/issues/7968),但对某些人有用的解决方案对我不起作用。

如果您尝试打开我的网站http://axxon.co 并调整窗口大小直到出现汉堡菜单,您会注意到如果您单击带有子菜单的项目(福利或行业),则没有任何反应。

有谁知道我可以做些什么来解决这个问题?

【问题讨论】:

  • 检查这个DEMO你可能需要写一些js来防止下拉的默认行为..

标签: jquery css twitter-bootstrap twitter-bootstrap-3


【解决方案1】:

查看 Fiddle here 或下面的 sn-p。

它只有标准的 Bootstrap css/js。还有你的菜单,工作正常,没有你网站上的问题。看看是否有一些 js 在单击时关闭链接。

我想你会发现问题出在这个文件axxon/js/creative.js 中。单击时关闭菜单的问题。

<!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">
    
    <meta name="description" content="">
    <meta name="author" content="">
    <link rel="icon" href="../../favicon.ico">

    <title>Starter Template for Bootstrap</title>

    <!-- Bootstrap core CSS -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">


</head>

<body>
    
<nav id="mainNav" class="navbar navbar-default navbar-fixed-top">
        <div class="container">
            <!-- 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 page-scroll logo logo_black" href="http://axxon.co/">
                    Axxon Tracking
                </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 navbar-right">
                    <li class="active">
                        <a href="./">Home</a>
                    </li> 
                    <li>
                        <a class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false" href="./benefits.php">Benefits <span class="caret"></span></a>
                          <ul class="dropdown-menu" role="menu">
                            <li><a href="./reduce-fuel-costs.php">Reduce Fuel costs</a></li>
                            <li><a href="./eliminate-theft-and-waste.php">Eliminate Theft and Waste</a></li>
                            <li><a href="./reduce-maintenance-costs.php">Reduce Maintenance Costs</a></li>
                            <li><a href="./reduce-labor-costs.php">Reduce Labor Costs</a></li>
                            <li><a href="./improve-safety.php">Improve Safety</a></li>
                          </ul>

                    </li>
                    <li>
                        <a class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false" href="./industries.php">Industries <span class="caret"></span></a>
                          <ul class="dropdown-menu" role="menu">
                            <li><a href="./construction-and-heavy-equipment.php">Construction &amp; Heavy Equipment</a></li>
                            <li><a href="./distribution.php">Distribution</a></li> 
                            <li><a href="./transportation.php">Transportation</a></li> 
                            <li><a href="./insurance.php">Insurance</a></li> 
                          </ul>
                    </li> 
                    <li>
                        <a href="./contact.php">Contact</a>
                    </li>
                </ul>
            </div>
            <!-- /.navbar-collapse -->
        </div>
        <!-- /.container-fluid -->
    </nav>
    
    
    
   


    <!-- Bootstrap core JavaScript
    ================================================== -->
    <!-- Placed at the end of the document so the pages load faster -->
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
    
</body>
</html>

【讨论】:

  • 非常感谢。罪魁祸首确实是 creative.js。我不得不从那里删除一个 sn-p,并修改一些 css。再次感谢:)
【解决方案2】:

看起来您的 li 缺少“下拉菜单”类

<li class="dropdown">
 <a href="#" class="dropdown-toggle" data-toggle="dropdown" aria-expanded="true">
 <span>Test</span>
 <b class="caret"></b>
 </a>

 <ul class="dropdown-menu">...

【讨论】:

    【解决方案3】:

    我在使用 Bootstrap 3.3.6 时遇到了这个问题,但这是用户错误。必须在加载引导程序之前加载 jQuery ,如下所示:

    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"
            integrity="sha384-0mSbJDEHialfmuBBQP6A4Qrprq5OVfW37PRR3j5ELqxss1yVqOtnepnHVP9aJ7xS"
            crossorigin="anonymous"></script>
    

    【讨论】:

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