Bootstrap 4 单击切换器后导航未展开
Bootstrap 4 nav not expanding after clicking the toggler
所以,我在 Bootstrap 4 中制作了一个导航栏。但是由于某种原因,当我的导航栏折叠时(当使用较小的 screen/window 时),我点击了应该再次展开它,没有任何反应。导航栏不可见。另外,我把 class "navbar-toggler-right" 放在我的按钮上,但由于某种原因它不在右侧。
我的代码:
<html>
<head>
<meta charset="utf-8">
<title>Admin</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css" integrity="sha384-9gVQ4dYFwwWSjIDZnLEWnxCjeSWFphJiwGPXr1jddIhOegiu1FwO5qRGvFXOdJZ4" crossorigin="anonymous">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js" integrity="sha384-uefMccjFJAIv6A+rW+L4AHf99KvxDjWSu1z9VI8SKNVmz4sk7buKt/6v9KI65qnm" crossorigin="anonymous"></script>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js" integrity="sha384-cs/chFZiN24E4KMATLdqdvsezGxaGsi4hLGOzlXwp5UZB1LY//20VyM2taTB4QvJ" crossorigin="anonymous"></script>
<link
rel="stylesheet"
href="https://fonts.googleapis.com/icon?family=Material+Icons">
</head>
<body>
<nav class="navbar navbar-light navbar-expand-lg">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarNavDropdown">
<span class="navbar-toggler-icon"></span>
</button>
<div id="navbarNavDropdown" class="collapse navbar-collapse" >
<ul class="navbar-nav">
<li class="nav-item">
<a class="nav-link" href="#Pricing">Pricing</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#About">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#FAQ">FAQ</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#Blog">Blog</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#Contact">Contact</a>
</li>
</ul>
</div>
</nav>
</body>
</html>
把jquery-3.3.1.slim.min.js
放在bootstrap.min.js
之前
<html>
<head>
<meta charset="utf-8">
<title>Admin</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css" integrity="sha384-9gVQ4dYFwwWSjIDZnLEWnxCjeSWFphJiwGPXr1jddIhOegiu1FwO5qRGvFXOdJZ4" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js" integrity="sha384-uefMccjFJAIv6A+rW+L4AHf99KvxDjWSu1z9VI8SKNVmz4sk7buKt/6v9KI65qnm" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js" integrity="sha384-cs/chFZiN24E4KMATLdqdvsezGxaGsi4hLGOzlXwp5UZB1LY//20VyM2taTB4QvJ" crossorigin="anonymous"></script>
<link
rel="stylesheet"
href="https://fonts.googleapis.com/icon?family=Material+Icons">
</head>
<body>
<nav class="navbar navbar-light navbar-expand-lg">
<div class="container">
<button class="navbar-toggler ml-auto" data-toggle="collapse" data-target="#navbarNavDropdown">
<span class="navbar-toggler-icon"></span>
</button>
<div id="navbarNavDropdown" class="collapse navbar-collapse" >
<ul class="navbar-nav">
<li class="nav-item">
<a class="nav-link" href="#Pricing">Pricing</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#About">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#FAQ">FAQ</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#Blog">Blog</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#Contact">Contact</a>
</li>
</ul>
</div>
</div>
</nav>
</body>
</html>
您需要在 bootstrap 脚本之前设置 jquery
像这样
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css" integrity="sha384-9gVQ4dYFwwWSjIDZnLEWnxCjeSWFphJiwGPXr1jddIhOegiu1FwO5qRGvFXOdJZ4" crossorigin="anonymous">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js" integrity="sha384-uefMccjFJAIv6A+rW+L4AHf99KvxDjWSu1z9VI8SKNVmz4sk7buKt/6v9KI65qnm" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js" integrity="sha384-cs/chFZiN24E4KMATLdqdvsezGxaGsi4hLGOzlXwp5UZB1LY//20VyM2taTB4QvJ" crossorigin="anonymous"></script>
所以,我在 Bootstrap 4 中制作了一个导航栏。但是由于某种原因,当我的导航栏折叠时(当使用较小的 screen/window 时),我点击了应该再次展开它,没有任何反应。导航栏不可见。另外,我把 class "navbar-toggler-right" 放在我的按钮上,但由于某种原因它不在右侧。
我的代码:
<html>
<head>
<meta charset="utf-8">
<title>Admin</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css" integrity="sha384-9gVQ4dYFwwWSjIDZnLEWnxCjeSWFphJiwGPXr1jddIhOegiu1FwO5qRGvFXOdJZ4" crossorigin="anonymous">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js" integrity="sha384-uefMccjFJAIv6A+rW+L4AHf99KvxDjWSu1z9VI8SKNVmz4sk7buKt/6v9KI65qnm" crossorigin="anonymous"></script>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js" integrity="sha384-cs/chFZiN24E4KMATLdqdvsezGxaGsi4hLGOzlXwp5UZB1LY//20VyM2taTB4QvJ" crossorigin="anonymous"></script>
<link
rel="stylesheet"
href="https://fonts.googleapis.com/icon?family=Material+Icons">
</head>
<body>
<nav class="navbar navbar-light navbar-expand-lg">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarNavDropdown">
<span class="navbar-toggler-icon"></span>
</button>
<div id="navbarNavDropdown" class="collapse navbar-collapse" >
<ul class="navbar-nav">
<li class="nav-item">
<a class="nav-link" href="#Pricing">Pricing</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#About">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#FAQ">FAQ</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#Blog">Blog</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#Contact">Contact</a>
</li>
</ul>
</div>
</nav>
</body>
</html>
把jquery-3.3.1.slim.min.js
放在bootstrap.min.js
<html>
<head>
<meta charset="utf-8">
<title>Admin</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css" integrity="sha384-9gVQ4dYFwwWSjIDZnLEWnxCjeSWFphJiwGPXr1jddIhOegiu1FwO5qRGvFXOdJZ4" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js" integrity="sha384-uefMccjFJAIv6A+rW+L4AHf99KvxDjWSu1z9VI8SKNVmz4sk7buKt/6v9KI65qnm" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js" integrity="sha384-cs/chFZiN24E4KMATLdqdvsezGxaGsi4hLGOzlXwp5UZB1LY//20VyM2taTB4QvJ" crossorigin="anonymous"></script>
<link
rel="stylesheet"
href="https://fonts.googleapis.com/icon?family=Material+Icons">
</head>
<body>
<nav class="navbar navbar-light navbar-expand-lg">
<div class="container">
<button class="navbar-toggler ml-auto" data-toggle="collapse" data-target="#navbarNavDropdown">
<span class="navbar-toggler-icon"></span>
</button>
<div id="navbarNavDropdown" class="collapse navbar-collapse" >
<ul class="navbar-nav">
<li class="nav-item">
<a class="nav-link" href="#Pricing">Pricing</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#About">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#FAQ">FAQ</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#Blog">Blog</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#Contact">Contact</a>
</li>
</ul>
</div>
</div>
</nav>
</body>
</html>
您需要在 bootstrap 脚本之前设置 jquery
像这样
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css" integrity="sha384-9gVQ4dYFwwWSjIDZnLEWnxCjeSWFphJiwGPXr1jddIhOegiu1FwO5qRGvFXOdJZ4" crossorigin="anonymous">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js" integrity="sha384-uefMccjFJAIv6A+rW+L4AHf99KvxDjWSu1z9VI8SKNVmz4sk7buKt/6v9KI65qnm" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js" integrity="sha384-cs/chFZiN24E4KMATLdqdvsezGxaGsi4hLGOzlXwp5UZB1LY//20VyM2taTB4QvJ" crossorigin="anonymous"></script>