下拉导航栏

时间:2020-07-05 10:43:12

标签: html twitter-bootstrap navbar dropdown

我不知道此下拉引导导航栏有什么问题,或者我缺少什么。它没有显示正常的导航栏,它们都挤在右边,它们之间没有空格,并且下拉菜单之一始终保持打开状态。请帮助!

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script>




<nav class="navbar navbar-expand-lg bg- justify-content-center">
  <div class="container-fluid">
    <div class="navbar-header">
      <a class="navbar-brand" href="#">Mustafa</a>
    </div>
    <ul class="nav navbar-nav">
      <li class="active"><a href="#">Home</a></li>

      <li class="dropdown">
        <a class="dropdown-toggle" data-toggle="dropdown" href="#">Programming Languages <span class="caret"></span></a>
        <ul class="dropdown-menu">
          <li>Front End</li>
          <li>Back End</li>
          <li>Desktop</li>
          <li>Mobile/Tablet</li>
        </ul>
      </li>

      <li class="dropdown">
        <a class="dropdown-toggle" data-toggle="dropdown" href="#">Learning Websites</a>
        <ul class="dropodwn-menu">
          <li>Coursera</li>
          <li>CodeAcademy</li>
          <li>Udemy</li>
          <li>Khan Academy</li>
          <li>YouTube</li>
        </ul>
      </li>

      <li class="dropdown">
        <a class="dropdown-toggle" data-toggle="dropdown" href="#">IDEs</a>
        <ul class="dropdown-menu">
          <li>Brackets</li>
          <li>Visual Studio Code</li>
          <li>Atom</li>
          <li>Sublime</li>
        </ul>
      </li>
    </ul>
  </div>
</nav>

0 个答案:

没有答案