Bootstrap v5.0 切换按钮不显示导航项

Question

使用 bootstrap-v5 链接 HTML 文件，从文档中复制了准确的代码。右侧的切换按钮不显示“导航项”。

<!DOCTYPE html>
<html>
    <head>
        <title></title>
        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
    </head>
    <body>
        <nav class="navbar navbar-expand-sm bg-dark navbar-dark">    <!--class of bootsrap -->
            <a class="navbar-brand" style="padding-left: 10px;">Code Decipher</a>
            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarTogglerDemo02" aria-controls="navbarTogglerDemo02" aria-expanded="false" aria-label="Toggle navigation">
                <span class="navbar-toggler-icon"></span>
            </button>

            <div class="collapse navbar-collapse" id="navbarTogglerDemo02">

                <ul class="navbar-nav ms-auto">
                    <li class="nav-item">
                        <a class="nav-link" href="">Content</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="">Pricing</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="">Download</a>
                    </li>
                </ul>
            </div>
        </nav>
    </body>
</html>

Answer 1

你有linkbootstrapJS文件吗？

<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin="anonymous"></script>

Bootstrap v5.0 切换按钮不显示导航项

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togglebutton

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bootstrap-5