[英]Can't get navbar to expand in bootstrap4
how can i get my navbar to expand, i have done everything right, i am using bootstrap4 and jquery source files.我怎样才能让我的导航栏扩展,我做的一切都是正确的,我正在使用 bootstrap4 和 jquery 源文件。
Am i missing something?我错过了什么吗?
Here is my code:这是我的代码:
<body>
<nav class="navbar py-3 navbar-light navbar-expand-sm">
<a href="#" class="navbar-brand text-uppercase font-italic">first website</a>
<button type="button" class="navbar-toggler" data-toggle="collapse" data-target="#navbarlink" aria-controls="navbarlink" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarlink">
<ul class="navbar-nav">
<li class="nav-item active">
<a href="#header" class="nav-link">home</a>
</li>
<li class="nav-item">
<a href="#skills" class="nav-link">skills</a>
</li>
<li class="nav-item">
<a href="#about" class="nav-link">about</a>
</li>
<li class="nav-item">
<a href="#projects" class="nav-link">projects</a>
</li>
</ul>
</div>
</nav>
<script src="js/jquery-3.5.0.min.js"></script>
<script src="js/bootstrap.bundle.min.js"></script>
</body>
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