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标签 css bootstrap-4 navbar
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我正在尝试让 Bootstrap 导航栏的下拉部分正常工作,但我无法让菜单真正下拉。它是如此微弱,我将其涂成黑色以使其显示在页面上,但是当我单击它时,它不会提供任何选项。 JSFiddle here.
我将下面的代码用于导航栏本身。
<nav class="navbar navbar-expand-md topHeader">
<a class="navbar-brand nameHeader">
<h1 class="navbarHeader">David Mitchell Barnett</h1>
</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#collapsibleNavbar" aria-controls="collapsibleNavbar" aria-expanded="false" aria-label="Toggle navigation" style="background-color: black" >
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="collapsibleNavbar">
<ul class="navbar-nav ml-auto">
<li class="nav-item">
<a class="nav-link" href="index.html">
<h3>About</h3>
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="portfolio.html">
<h3>Portfolio</h3>
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="contact.html">
<h3>Contact</h3>
</a>
</li>
</ul>
</div>
</nav>
最佳答案
我注意到的问题是,在您共享的 JSFiddle 中,您的 js 脚本位于错误的位置,您必须先链接 jquery,然后再链接 bootstrap js。
您的代码:
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
只需像这样切换顺序:
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>
关于css - Bootstrap 4 响应式 Navbar 不会提供下拉菜单,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/51804673/