Bootstrap 手风琴不会在一页上展开

Question

在我的索引页面上，我使用了 getbootstrap.com 中的示例代码，现在我想在同一站点的不同页面上再次使用它。它显示得很好，但是没有响应并且不会 expand/collapse.

两个页面的页眉内容完全相同 - 字面上 copy/pasted。我不是编码专家 - 有什么想法吗？谢谢！

<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
    <link rel="stylesheet" href="stylesheet-search.css">
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Montserrat:wght@400&display=swap" rel="stylesheet">
    <title></title>
  </head>
  <body>
    <nav class="navbar navbar-expand-lg navbar-white bg-white">
      <div class="container-fluid">
        <a class="navbar-brand" href="#">
          <img src="images/white_logo_color_background.jpg" alt="" width="170" height="50" class="d-inline-block align-text-top">
        </a>
        <ul class="navbar-nav navbar-text">
          <li class="nav=item">
            <a class="nav-link active text-secondary fontstyles" area-current="page" href="index.php">Home</a>
          </li>
          <li class="nav=item">
            <a class="nav-link text-secondary fontstyles" href="searchreziworks.php"><strong>Search ReziWorks</strong></a>
          </li>
          <li class="nav=item">
            <a class="nav-link text-secondary fontstyles" href="createprofile.php">Be a prototype user</a>
          </li>
          <li class="nav=item">
            <a class="nav-link text-dark fontstyles" href="becomepartner.php">Become a partner company</a>
          </li>
        </ul>
      </div>
    </nav>
    <br><br><br>
    <div class="accordion" id="accordionExample">
      <div class="accordion-item">
        <h2 class="accordion-header" id="headingOne">
          <button class="accordion-button" type="button" data-bs-toggle="collapse" data-bs-target="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
            Accordion Item #1
          </button>
        </h2>
        <div id="collapseOne" class="accordion-collapse collapse show" aria-labelledby="headingOne" data-bs-parent="#accordionExample">
          <div class="accordion-body">
            <strong>This is the first item's accordion body.</strong> It is shown by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
          </div>
        </div>
      </div>
      <div class="accordion-item">
        <h2 class="accordion-header" id="headingTwo">
          <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
            Accordion Item #2
          </button>
        </h2>
        <div id="collapseTwo" class="accordion-collapse collapse" aria-labelledby="headingTwo" data-bs-parent="#accordionExample">
          <div class="accordion-body">
            <strong>This is the second item's accordion body.</strong> It is hidden by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
          </div>
        </div>
      </div>
      <div class="accordion-item">
        <h2 class="accordion-header" id="headingThree">
          <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
            Accordion Item #3
          </button>
        </h2>
        <div id="collapseThree" class="accordion-collapse collapse" aria-labelledby="headingThree" data-bs-parent="#accordionExample">
          <div class="accordion-body">
            <strong>This is the third item's accordion body.</strong> It is hidden by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
          </div>
        </div>
      </div>
    </div>

</body>
</html>

Answer 1

找到答案了。我忘了把 JS/popper 脚本放在页面的末尾。

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