Rub*_*oob 7 html css twitter-bootstrap twitter-bootstrap-3 bootstrap-4
我正在尝试执行一个基本的Bootstrap导航栏示例:
<body>
<nav class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand" href="#">WebSiteName</a>
</div>
<ul class="nav navbar-nav">
<li class="active"><a href="#">Home</a></li>
<li><a href="#">Page 1</a></li>
<li><a href="#">Page 2</a></li>
<li><a href="#">Page 3</a></li>
</ul>
</div>
</nav>
</body>
Run Code Online (Sandbox Code Playgroud)
您正在使用 Bootstrap 4(在 Codepen 中)并且导航栏已更改。如果您想要一个简单的水平(非折叠),您需要包含,navbar-toggleable-xl因为导航栏默认情况下垂直堆叠。
4.0.0 的更新 navbar-toggleable-*已更改为navbar-expand-*
对于原始问题:
<nav class="navbar navbar-light navbar-toggleable-xl bg-faded">
<a href="/" class="navbar-brand">Brand</a>
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Link <span class="sr-only">Home</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
</ul>
</nav>
Run Code Online (Sandbox Code Playgroud)
演示: http: //www.codeply.com/go/TVDW57B4SL