bootstrap4 nav无法正常工作 [英] bootstrap4 nav not working properly
问题描述
所以我有我的代码:
<div class="container">
<nav class="navbar navbar-expand-md navbar-light bg-faded" id="menutop">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#nav-content" aria-controls="nav-content" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<!-- Brand -->
<a class="navbar-brand" href="#">
BRAND
</a>
<!-- Links -->
<div class="collapse navbar-collapse justify-content-end" id="nav-content">
<ul class="navbar-nav">
<li class="nav-item">
<a class="nav-link" href="#">COMO FUNCIONA</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">TRABAJA CON NOSOTROS</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">TIENDA</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">BLOG</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">EQUIPO</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">REPARA</a>
</li>
</ul>
</div>
</nav>
</div>
并且在按下图标时折叠菜单时,它不会下拉...
and when collapsing the menu on pressing the icon it doesnt drop down...
我也将示例复制粘贴到了Bootstrap教程页面上 https://v4-alpha.getbootstrap.com/components/navbar/
Also I have copyed pasted the example on bootstrap tutorial page https://v4-alpha.getbootstrap.com/components/navbar/
<nav class="navbar navbar-toggleable-md navbar-light bg-faded">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a class="navbar-brand" href="#">Navbar</a>
<div class="collapse navbar-collapse" id="navbarNavDropdown">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Features</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Pricing</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="http://example.com" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropdown link
</a>
<div class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
</div>
</nav>
,并且导航切换器图标显示在我的左侧+即使在大屏幕下也不会展开+不显示菜单.
and the nav toggler icon is showing at my left + its not expanding even with large screen + its not showing the menu..
为什么会发生这种情况?虫子?我有Angular CLI的最新版本,Bootstrap也有最新的版本.
Why may this happen? Bugs? I have Angular CLI the last version and Bootstrap also de last version.
我正在使用CDN
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css" integrity="sha384-PsH8R72JQ3SOdhVi3uxftmaW6Vc51MKb0q5P2rRUpPvrszuE4W1povHYgTpBfshb" crossorigin="anonymous">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js" integrity="sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ" crossorigin="anonymous"></script>
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script>
推荐答案
在CDN文件下面添加了我,它现在可以正常工作.
I am added below CDN files now it's working properly.
<meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"></script>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"></script><div class="container">
<nav class="navbar navbar-expand-md navbar-light bg-faded" id="menutop">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#nav-content" aria-controls="nav-content" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<!-- Brand -->
<a class="navbar-brand" href="#">
BRAND
</a>
<!-- Links -->
<div class="collapse navbar-collapse justify-content-end" id="nav-content">
<ul class="navbar-nav">
<li class="nav-item">
<a class="nav-link" href="#">COMO FUNCIONA</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">TRABAJA CON NOSOTROS</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">TIENDA</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">BLOG</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">EQUIPO</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">REPARA</a>
</li>
</ul>
</div>
</nav>
</div>
<nav class="navbar navbar-toggleable-md navbar-light bg-faded">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a class="navbar-brand" href="#">Navbar</a>
<div class="collapse navbar-collapse" id="navbarNavDropdown">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Features</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Pricing</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="http://example.com" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropdown link
</a>
<div class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
</div>
</nav>
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