我正在使用 Bootstrap 5 设计响应式页面，但我首先遇到了导航栏问题。切换按钮根本不起作用，单击时不显示任何元素。
我搜索过官方文档寻求解决方案，但没有帮助。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=, initial-scale=1.0">
<link href="https://cdn.jsdelivr.net/npm/<a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="096b66667d7a7d7b6879493c27392738" rel="noreferrer noopener nofollow">[email protected]</a>/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-+0n0xVW2eSR5OomGNYDnhzAbDsOXxcvSN1TPprVMTNDbiYZCxYbOOl7+AMvyTG2x" crossorigin="anonymous">
<title>Document</title>
</head>
<body>
<div class="container bg-dark">
<nav class="navbar navbar-expand-sm">
<a href="#" class="navbar-brand">Brand</a>
<button
class="navbar-toggler"
type = "button"
data-bs-toggle="collapse"
data-bs-target="#menuItems"
aria-controls="menuItems"
aria-expanded="false"
aria-label="Toggle Navigation"
>
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse">
<ul class="nav navbar-nav navbar-right">
<li class="nav-item">
<a href="#" class="nav-link">About</a>
</li>
<li class="nav-item">
<a href="#" class="nav-link">Pricing</a>
</li>
<li class="nav-item">
<a href="#" class="nav-link">Contact</a>
</li>
</ul>
</div>
</nav>
</div>
<script src="https://cdn.jsdelivr.net/npm/<a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="b8dad7d7cccbcccad9c8f88d9688968a" rel="noreferrer noopener nofollow">[email protected]</a>/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin="anonymous"></script>
</body>
</html>
最佳答案
您错过了使用 id menuItems 并且您必须将 navbar-dark 与 bg-dark 一起使用
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=, initial-scale=1.0">
<link href="https://cdn.jsdelivr.net/npm/<a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="2b4944445f585f594a5b6b1e051b051a" rel="noreferrer noopener nofollow">[email protected]</a>/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-+0n0xVW2eSR5OomGNYDnhzAbDsOXxcvSN1TPprVMTNDbiYZCxYbOOl7+AMvyTG2x" crossorigin="anonymous">
<title>Document</title>
</head>
<body>
<div class="container bg-dark">
<nav class="navbar navbar-dark navbar-expand-sm">
<a href="#" class="navbar-brand">Brand</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#menuItems" aria-controls="menuItems" aria-expanded="false" aria-label="Toggle Navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="menuItems">
<ul class="navbar-nav">
<li class="nav-item">
<a href="#" class="nav-link">About</a>
</li>
<li class="nav-item">
<a href="#" class="nav-link">Pricing</a>
</li>
<li class="nav-item">
<a href="#" class="nav-link">Contact</a>
</li>
</ul>
</div>
</nav>
</div>
<script src="https://cdn.jsdelivr.net/npm/<a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="c8aaa7a7bcbbbcbaa9b888fde6f8e6fa" rel="noreferrer noopener nofollow">[email protected]</a>/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin="anonymous"></script>
</body>
</html>关于css - 导航栏切换器在 Bootstrap 5 中不工作，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/68132122/