引导程序 4 折叠的导航栏不起作用

Question

我在 Bootstrap4 中折叠导航栏时遇到问题。

<nav class="navbar navbar-toggleable-md navbar-inverse fixed-top bg-inverse">
<button class="navbar-toggler navbar-toggler-right collapsed" type="button" data-toggle="collapse" data-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a class="  navbar-brand" href="#myCarousel">
<img src="image/logo.svg" height="50">
</a>
<div class="collapse navbar-collapse" id="navbarCollapse">
<ul class="navbar-nav nav mr-auto">
<li class="nav-item">
<a class="nav-link" href="#2"  data-toggle="collapse" data-target=".navbar-collapse.show">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#3"  data-toggle="collapse" data-target=".navbar-collapse.show">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#4"  data-toggle="collapse" data-target=".navbar-collapse.show">Contact</a>
</li>
</ul>
</div>
</nav>

当然，我已经为另一个元素添加了正确的id，例如：

<div class="container marketing" id="2">

菜单不起作用。当我单击导航栏的元素时，菜单关闭但不移动到正确的站点。

删除折叠时的属性：

data-toggle="collapse" data-target=".navbar-collapse.show"

菜单不会在单击时关闭，而是移动到右侧站点。

谢谢:)

Answer 1

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
<!-- jQuery library -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"></script>
	<nav class="navbar navbar-toggleable-md navbar-inverse fixed-top bg-inverse">
<button class="navbar-toggler navbar-toggler-right collapsed" type="button" data-toggle="collapse" data-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a class="  navbar-brand" href="#myCarousel">
<img src="image/techNET.svg" height="50">
</a>
<div class="collapse navbar-collapse" id="navbarCollapse">
<ul class="navbar-nav nav mr-auto">
<li class="nav-item">
<a class="nav-link" href="#2"  data-toggle="collapse" data-target=".navbar-collapse.show">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#3"  data-toggle="collapse" data-target=".navbar-collapse.show">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#4">Contact</a>
</li>
</ul>

</div>
</nav>