如何创建一个汉堡菜单只使用引导程序，没有css

Question

我想为菜单项美国、世界等创建一个汉堡菜单，如下所示。我尝试了引导程序文档中显示的各种方法，但它们一直把我的代码搞砸。有人能看看我的代码，看看我如何做到这一点吗？这是菜单项的屏幕截图示例，我希望它们在浏览器上以较小的屏幕显示；[image][1]这是我在菜单项上的代码；

<nav class="navbar navbar-expand-lg bg-light">
<div>
<a class="navbar-brand" href="#"></a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNav">
<ul class="navbar-nav">
<li class="nav-item">
<a class="nav-link fw-bolder text-black  border-end " aria-current="page" href="#">U.S</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">World</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Science</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black  border-end" aria-current="page" href="#">Cultures</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black  border-end" aria-current="page" href="#">Autos</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Rankings</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Heealth</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Life</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Opinions</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Experts</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Education</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Podcasts</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Vintage</a>
</li>
<form class="d-flex" role="search">
<input class="form-control me-2" type="search" placeholder="Search" aria-label="Search">
</div>

我还将整个代码上传到github上，供需要查看的人使用https://github.com/maureenblack/Newsweek

Answer 1

问题是切换开关图标因其颜色而不可见。对于所选的颜色，您可以将导航条灯类添加到nav元素中以显示图标。请参见下文。(还要确保包含引导脚本和样式表(。

<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"
integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script>
<nav class="navbar navbar-expand-lg bg-light navbar-light">
<div>
<a class="navbar-brand" href="#"></a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav"
aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNav">
<ul class="navbar-nav">
<li class="nav-item">
<a class="nav-link fw-bolder text-black  border-end " aria-current="page" href="#">U.S</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">World</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Science</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black  border-end" aria-current="page" href="#">Cultures</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black  border-end" aria-current="page" href="#">Autos</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Rankings</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Heealth</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Life</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Opinions</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Experts</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Education</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Podcasts</a>
</li>
<li class="nav-item">
<a class="nav-link fw-bolder text-black border-end" aria-current="page" href="#">Vintage</a>
</li>
<form class="d-flex" role="search">
<input class="form-control me-2" type="search" placeholder="Search" aria-label="Search">
</div>
</div>
</nav>