这里是boostrap的新手。那么当导航栏在Bootstrap 4中进入折叠模式时,如何用图标(例如来自Fontawesome的图标)或自定义图像徽标替换导航栏品牌?
我的代码如下:
<nav class="navbar navbar-expand-lg navbar-dark bg-dark fixed-top">
<!-- <div class="container"> --><!-- you can turn this container off/on-->
<a href="#" class="navbar-brand">Anime Battlegrounds</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNavAltMarkup">
<!-- collapse class will hide everything in the navbar once we hit mobile display -->
<div class="navbar-nav">
<a class="nav-item nav-link active" href="#">Popular</a>
<a class="nav-item nav-link active" href="#">Anime List</a>
<a class="nav-item nav-link active" href="#">Schedule</a>
</div>
<div class="navbar-nav ml-auto">
<a class="nav-item nav-link active" href="#">Sign Up</a>
<a class="nav-item nav-link active" href="#">Login</a>
</div>
<form class="form-inline my-2 my-lg-0">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-primary my-2 my-sm-0 btn1" type="submit">Search</button>
</form>
</div>
<!-- </div> -->
答案 0 :(得分:4)
使用与导航栏断点对应的Bootstrap 4 display utils。
演示:https://www.codeply.com/go/9KbjsZ6pGP
<a href="#" class="navbar-brand">
<span class="d-lg-inline-block d-none">Anime Battlegrounds</span>
<i class="fa fa-star d-inline-block d-lg-none"></i>
</a>
d-lg-inline-block d-none
表示在lg及以上显示,隐藏(d-none
)低于lg
d-inline-block d-lg-none
表示隐藏在lg及以上,在lg
d-inline-block
)
答案 1 :(得分:2)
这里的例子(如果我理解你的问题)
e.g。 (fontawesome文档中的更多图标)
<a href="#" class="navbar-brand">
<i class="fas fa-ambulance"></i>
</a>
不要忘记在head-tag中:
<script defer src="https://use.fontawesome.com/releases/v5.0.6/js/all.js"></script>
或:
<a href="#" class="navbar-brand">
<img src="./image1.gif" />
</a>