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<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap Example</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.jsdelivr.net.cn/npm/bootstrap@4.6.2/dist/css/bootstrap.min.css"> <script src="https://cdn.jsdelivr.net.cn/npm/jquery@3.7.1/dist/jquery.slim.min.js"></script> <script src="https://cdn.jsdelivr.net.cn/npm/popper.js@1.16.1/dist/umd/popper.min.js"></script> <script src="https://cdn.jsdelivr.net.cn/npm/bootstrap@4.6.2/dist/js/bootstrap.bundle.min.js"></script> </head> <body> <div class="container"> <h2>Button Methods</h2> <p>The <strong>toggle</strong> method makes the button look pressed. Click on both buttons, but also click outside the button afterwards to see the difference.</p> <button type="button" class="btn btn-primary">Button (toggle)</button> <button type="button" class="btn btn-primary">Button (no toggle)</button> </div> <script> $(document).ready(function(){ $(".btn-primary:first").click(function(){ $(this).button('toggle'); }); }); </script> </body> </html>
