Bootstrap 4-导航栏标题的使用 [英] Bootstrap 4 - Navbar Header usage
问题描述
我是新手,所以我被教导alpha-4
btw,当在我的网站上制作navbar
时,我发现了一个问题,当它崩溃并显示了3行线图标时菜单,它将徽标与.navbar-brand
重叠.我只需在其中添加pull-right
即可解决此问题.
现在看起来像这样,它实际上可以工作...
<nav class="navbar navbar-dark bg-inverse navbar-fixed-top" id="navbar">
<button class="navbar-toggler hidden-lg-up pull-right" type="button" data-toggle="collapse" data-target="#navbarContent"> ☰
</button>
<a class="navbar-brand" href="#">YO-Maps</a>
<div class="collapse navbar-toggleable-md" id="navbarContent">
<ul class="nav navbar-nav">
<li class="nav-item">
<a class="nav-link" href="#jumbotron">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#about">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#footer">Download</a>
</li>
</ul>
<form class="form-inline pull-sm-right">
<input class="form-control" type="email" placeholder="Email">
<input class="form-control" type="password" placeholder="Password">
<button class="btn btn-success" type="submit">Login</button>
</form>
</div>
</nav>
在检查引导程序3(v 3.3.2)时,在其他示例中我发现 甚至不需要,因为我认为存在.navbar-header ...
所以我的问题是:在实现Bootstrap 4时此类很重要吗?
不,Bootstrap 4中的任何地方都不包含navbar-header.navbar-brand和navbar-toggler不再需要包装在自己的div中. /p>
I'm kind of new at bootstrap, I was taught alpha-4
btw, and while making the navbar
on my site i found out a problem when it collapses and shows the 3-row-lines-icon of the menu, it overlapped the logo with .navbar-brand
. I resolved this just by adding pull-right
to it.
Looks like this now, it actually works...
<nav class="navbar navbar-dark bg-inverse navbar-fixed-top" id="navbar">
<button class="navbar-toggler hidden-lg-up pull-right" type="button" data-toggle="collapse" data-target="#navbarContent"> ☰
</button>
<a class="navbar-brand" href="#">YO-Maps</a>
<div class="collapse navbar-toggleable-md" id="navbarContent">
<ul class="nav navbar-nav">
<li class="nav-item">
<a class="nav-link" href="#jumbotron">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#about">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#footer">Download</a>
</li>
</ul>
<form class="form-inline pull-sm-right">
<input class="form-control" type="email" placeholder="Email">
<input class="form-control" type="password" placeholder="Password">
<button class="btn btn-success" type="submit">Login</button>
</form>
</div>
</nav>
And while checking out bootstrap 3 (v 3.3.2), I discover in other examples this was't even needed, because I think the .navbar-header was present...
So my question is: Is this class important while implementing Bootstrap 4? The official docs doesn't mention it and I actually try it in my code and doesn't make any difference...and Does it really makes "something" appart of being a sematic tag in Bootstrap 3?
Nope, navbar-header isn't included anywhere in Bootstrap 4. navbar-brand and navbar-toggler no longer need to be wrapped in their own div.
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