【问题标题】:Bootstrap Navbar Hamburger Icon Not Showing UpBootstrap 导航栏汉堡图标未显示
【发布时间】:2021-07-20 05:23:00
【问题描述】:

我有这个带有汉堡包图标的导航栏,我正在尝试与引导程序一起使用。我正在尝试使用我在网上找到的示例,但是当我运行它时,汉堡图标丢失并且下拉菜单已经展开,它不应该展开,默认情况下它应该折叠。另外,在我的情况下,现在的标题是 WebSiteName,它位于导航栏的右侧,但在示例中,我将关闭它位于左侧。以下是我正在使用的 html 代码:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
<nav class="navbar navbar-inverse navbar-dark">
  <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 href="#">Page 1</a>
        </li>
        <li><a href="#">Page 2</a></li>
        <li><a href="#">Page 3</a></li>
      </ul>
    </div>
  </div>
</nav>

【问题讨论】:

    标签: html css twitter-bootstrap twitter-bootstrap-3


    【解决方案1】:

    似乎显示了汉堡图标(在小屏幕上)。您正在使用下拉类,但您的代码没有链接代码来充当打开和关闭下拉列表的按钮。下面的代码是你想要做的吗?

    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
    
    <nav class="navbar navbar-inverse navbar-dark">
        <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 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="#">Page 1</a></li>
                            <li><a href="#">Page 2</a></li>
                            <li><a href="#">Page 3</a></li>
                        </ul>
                    </li>
                </ul>
            </div>
        </div>
    </nav>

    【讨论】:

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