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<!DOCTYPE html> <html> <head> <title>Bootstrap5 实例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="https://cdn.staticfile.net/twitter-bootstrap/5.1.1/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.staticfile.net/twitter-bootstrap/5.1.1/js/bootstrap.bundle.min.js"></script> </head> <body> <button class="btn btn-primary" type="button" data-bs-toggle="offcanvas" data-bs-target="#offcanvasTop" aria-controls="offcanvasTop">顶部导航栏</button> <div class="offcanvas offcanvas-top" tabindex="-1" id="offcanvasTop" aria-labelledby="offcanvasTopLabel"> <div class="offcanvas-header"> <h5 id="offcanvasTopLabel">显示在顶部导航栏</h5> <button type="button" class="btn-close text-reset" data-bs-dismiss="offcanvas" aria-label="Close"></button> </div> <div class="offcanvas-body"> ... </div> </div> </body> </html>
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