【问题标题】:Why is the toggle button of this Bootstrap navbar not working?为什么这个 Bootstrap 导航栏的切换按钮不起作用?
【发布时间】:2018-09-29 05:42:22
【问题描述】:

我正在尝试创建引导导航栏,但切换按钮不起作用。我在 body 标签上使用了 .sidebar-collapse 类,所以当我点击切换按钮时数据应该出现在右侧。但这不会发生。谁能告诉我我的代码有什么问题?

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/core.js"> 
</script>
<meta charset="utf-8">
<link rel="stylesheet" href="css/bootstrap.min.css" type="text/css">
<link rel="stylesheet" href="css/now-ui-kit.css" type="text/css">
<link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font- 
awesome.min.css" rel="stylesheet" integrity="sha384- 
wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" 
crossorigin="anonymous">
<title>
    Techversity
</title>
</head>
<body class="sidebar-collapse">
<nav class="navbar navbar-expand-lg bg-primary">
<div class="container">
    <div class="navbar-translate">
        <a class="navbar-brand" href="#pablo">
           Techversity
       </a>
        <button class="navbar-toggler navbar-toggler-right" type="button" 
data-toggle="collapse" data-target="#navigation" aria-controls="navigation- 
index" aria-expanded="false" aria-label="Toggle navigation">
        <span class="navbar-toggler-bar bar1"></span>
        <span class="navbar-toggler-bar bar2"></span>
        <span class="navbar-toggler-bar bar3"></span>
    </button>

    </div>

    <div class="collapse navbar-collapse justify-content-end" 
 id="navigation">
        <ul class="navbar-nav">
            <li class="nav-item active">
                <a class="nav-link" href="#pablo">
                    Home
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#pablo">Link</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#pablo">Disabled</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#pablo"><i class="fa fa-instagram" 
aria-hidden="true"></i></a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="#pablo"><i class="fa fa-youtube- 
play" aria-hidden="true"></i></a>
            </li>
        </ul>
    </div>
</div>
</nav>
</body>
</html>

【问题讨论】:

标签: html twitter-bootstrap bootstrap-4


【解决方案1】:

标记不正确。 nav.navbar 元素内不应有 div.containerdiv.navbar-translate 元素。我tried 没有它们,它可以工作。此外,您可以检查 here 标记不是 Bootstrap 所期望的标记。

【讨论】:

  • 还是不行。切换按钮仍然不起作用
【解决方案2】:

我在您的代码中看不到 bootstrap.min.js: https://getbootstrap.com/docs/4.0/getting-started/introduction/

【讨论】:

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