[英]Hamburger menu not opening (Bootstrap)
I have implemented a nav bar I got from the documentation on BootStrap.我已经实现了从 BootStrap 文档中获得的导航栏。 When I collapse it to a mobile version, the hamburger menu shows up, but clicking on it doesn't do anything.当我将其折叠为移动版本时,会显示汉堡菜单,但单击它没有任何作用。 Here is the code below:这是下面的代码:
<nav class="navbar navbar-expand-lg navbar-dark" style="background-color: #000000;">
<a class="navbar-brand" href="#">Salman's Website</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNav">
<ul class="nav navbar-nav ml-auto">
<li class="nav-item active">
<a class="nav-link" href="index.html">Home<span class="sr-only">(current)</span></a>
</li>
<li class="nav-item active">
<a class="nav-link" href="electric.html">Electric<span class="sr-only">(current)</span></a>
</li>
<li class="nav-item active">
<a class="nav-link" href="gasoline.html">Gasoline<span class="sr-only">(current)</span></a>
</li>
<li class="nav-item active">
<a class="nav-link" href="hybrid.html">Hybrid<span class="sr-only">(current)</span></a>
</li>
</ul>
</div>
</nav>
I did put the <meta name="viewport" content="width=device-width, initial-scale=1.0">
in the head tag too.我也将<meta name="viewport" content="width=device-width, initial-scale=1.0">
放在了 head 标签中。
Thanks in advance.提前致谢。
You have probably not imported the javascript
files of bootstrap.您可能没有导入 bootstrap 的javascript
文件。 So if you import it, it's work well:所以如果你导入它,它运行良好:
<!-- IMPORT BOOTSTRAP STYLES --> <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous"> <!-- IMPORT BOOTSTRAP SCRIPTS--> <script src="https://code.jquery.com/jquery-3.4.1.slim.min.js" integrity="sha384-J6qa4849blE2+poT4WnyKhv5vZF5SrPo0iEjwBvKU7imGFAV0wwj1yYfoRSJoZ+n" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script> <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js" integrity="sha384-wfSDF2E50Y2D1uUdj0O3uMBJnjuUD4Ih7YwaYd1iqfktj0Uod8GCExl3Og8ifwB6" crossorigin="anonymous"></script> <nav class="navbar navbar-expand-lg navbar-dark" style="background-color: #000000;"> <a class="navbar-brand" href="#">Salman's Website</a> <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="collapse navbar-collapse" id="navbarNav"> <ul class="nav navbar-nav ml-auto"> <li class="nav-item active"> <a class="nav-link" href="index.html">Home<span class="sr-only">(current)</span></a> </li> <li class="nav-item active"> <a class="nav-link" href="electric.html">Electric<span class="sr-only">(current)</span></a> </li> <li class="nav-item active"> <a class="nav-link" href="gasoline.html">Gasoline<span class="sr-only">(current)</span></a> </li> <li class="nav-item active"> <a class="nav-link" href="hybrid.html">Hybrid<span class="sr-only">(current)</span></a> </li> </ul> </div> </nav>
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