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Html 引导导航栏在移动设备上未扩展_Html_Bootstrap 4_Navbar - Fatal编程技术网

Html 引导导航栏在移动设备上未扩展

Html 引导导航栏在移动设备上未扩展,html,bootstrap-4,navbar,Html,Bootstrap 4,Navbar,我对引导导航栏有问题。点击汉堡图标后,它不会在手机上扩展。你知道怎么修吗? 下面是我的代码和我的页面链接 我使用bootstrap4.3.1。我检查了链接,它工作正常。我不知道这里发生了什么 <!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible"

我对引导导航栏有问题。点击汉堡图标后,它不会在手机上扩展。你知道怎么修吗? 下面是我的代码和我的页面链接

我使用bootstrap4.3.1。我检查了链接,它工作正常。我不知道这里发生了什么

<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="Medytacja.net.l" />
<meta name="author" content="">
<title>Nauka medytacji. Blog o medytacji - Mindfulness Budda</title>
<meta name="description" content="Blog o medytacji i rozwoju. Odpowiadamy na 
pytania, jak medytować? Blog o tematyce Mindfulness oraz Budzie. Medytować to 
sztuka ćwieczenia umysłu. Nauka medytacji. Naucz się z nami."/>


<link rel="stylesheet" href="CSS/bootstrap/css/bootstrap.min.css">
<script src="CSS/bootstrap/js/bootstrap.min.js"></script>


<!-- <script src="js/jquery.min.js"></script> -->
<link href="CSS/style.css" rel="stylesheet">
<link rel="shortcut icon" href="favicon.ico" />
<script type="text/javascript" src="js/jquery-1.9.1.min.js" ></script>


  </head>
   <body>
   <div class="container">
    <nav class="navbar navbar-expand-lg navbar-light bg-light">
        <a class="navbar-brand" href="#">Navbar</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">
          <div class="navbar-nav">
            <a class="nav-item nav-link active" href="#">Home <span 
class="sr-only">(current)</span></a>
            <a class="nav-item nav-link" href="#">Features</a>
            <a class="nav-item nav-link" href="#">Pricing</a>
            <a class="nav-item nav-link disabled" href="#">Disabled</a>
          </div>
        </div>
      </nav>
  </div>
 </body>
 </html>

您必须在bootstrap.min.js之前调用jQuery,因为bootstrap正在使用jQuery属性

Nauka medytacji。medytacji博客-正念佛 ->