html - 为什么我的导航栏切换器默认显示导航栏项目
问题描述
我想知道为什么每次我在移动视图中刷新页面时导航项都会显示。我检查了 aria-expanded: false 但它仍然不起作用。
这是我的代码:
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Bootstrap CSS -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-F3w7mX95PdgyTmZZMECAngseQB83DfGTowi0iMjiWaeVhAn4FJkqJByhZMI3AhiU" crossorigin="anonymous">
<link rel="stylesheet" href="style.css">
<title>Portfolio</title>
</head>
<body>
<header>
<nav class="navbar navbar-expand-lg fixed-top navbar-light">
<div class="container-fluid justify-content-between mx-5 px-4">
<a class="navbar-brand" href="#">HELLO</a>
<button
class="navbar-toggler collapse collapsed"
type="button"
data-bs-toggle="collapse"
data-bs-target="#navbarCollapse"
aria-controls="navbarTogglerDemo02"
aria-expanded="false"
aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="navbar-collapse" id="navbarCollapse">
<ul class="navbar-nav ms-auto">
<li class="navbar-item">
<a class="nav-link active " aria-current="page" href="#">ABOUT</a>
</li>
<li class="navbar-item">
<a class="nav-link active" aria-current="page"href="#">PROJECT</a>
</li class="navbar-item">
<li class="navbar-item">
<a class="nav-link active" aria-current="page" href="#">RESUME</a>
</li>
<li class="navbar-item">
<a class="nav-link active" aria-current="page" href="#">CONTACT</a>
</li>
</ul>
</div>
</div>
</nav>
<!-- <img class="img-fluid" src="img\heading-image.jpg" alt=""> -->
</header>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.1/dist/js/bootstrap.bundle.min.js" integrity="sha384-/bQdsTh/da6pkI1MST/rWKFNjaCP5gBSY4sEBT38Q/9RBh9AH40zEOg7Hlq2THRZ" crossorigin="anonymous"></script>
<script src="script.js"></script>
</body>
</html>
请注意:我仍然是 bootstrap、html 和 css 的初学者。
解决方案
collapse collapsed
从按钮中删除类并添加collapse
到菜单 div
这是完整的代码
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Bootstrap CSS -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-F3w7mX95PdgyTmZZMECAngseQB83DfGTowi0iMjiWaeVhAn4FJkqJByhZMI3AhiU" crossorigin="anonymous">
<link rel="stylesheet" href="style.css">
<title>Portfolio</title>
</head>
<body>
<header>
<nav class="navbar navbar-expand-lg fixed-top navbar-light"
<a class="navbar-brand" href="#">HELLO</a>
<button
class="navbar-toggler "
type="button"
data-bs-toggle="collapse"
data-bs-target="#navbarCollapse"
aria-controls="navbarCollapse"
aria-expanded="false"
aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="navbar-collapse collapse " id="navbarCollapse">
<ul class="navbar-nav ms-auto">
<li class="navbar-item">
<a class="nav-link active " aria-current="page" href="#">ABOUT</a>
</li>
<li class="navbar-item">
<a class="nav-link active" aria-current="page"href="#">PROJECT</a>
<li class="navbar-item">
<li class="navbar-item">
<a class="nav-link active" aria-current="page" href="#">RESUME</a>
</li>
<li class="navbar-item">
<a class="nav-link active" aria-current="page" href="#">CONTACT</a>
</li>
</ul>
</div>
</nav>
<!-- <img class="img-fluid" src="img\heading-image.jpg" alt=""> -->
</header>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.1/dist/js/bootstrap.bundle.min.js" integrity="sha384-/bQdsTh/da6pkI1MST/rWKFNjaCP5gBSY4sEBT38Q/9RBh9AH40zEOg7Hlq2THRZ" crossorigin="anonymous"></script>
<script src="script.js"></script>
</body>
</html>
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