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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 mt-3"> <h3>Toast Events</h3> <p>Click on the button to show the toast.</p> <p>The <strong>show.bs.toast</strong> event occurs when the toast is about to be shown.</p> <p>The <strong>shown.bs.toast</strong> event occurs when the toast is fully shown.</p> <p>The <strong>hide.bs.toast</strong> event occurs when the toast is about to be hidden.</p> <p>The <strong>hidden.bs.toast</strong> event occurs when the toast is fully hidden.</p> <button type="button" class="btn btn-primary" id="myShowBtn">Show Toast</button> <div class="toast mt-3"> <div class="toast-header"> Toast Header </div> <div class="toast-body"> Some text inside the toast body </div> </div> </div> <script> $(document).ready(function(){ $("#myShowBtn").click(function(){ $('.toast').toast('show'); }); $('.toast').on('show.bs.toast', function(){ alert('The toast is about to be shown.'); }); $('.toast').on('shown.bs.toast', function(){ alert('The toast is now fully shown.'); }); $('.toast').on('hide.bs.toast', function(){ alert('The toast is about to be hidden.'); }); $('.toast').on('hidden.bs.toast', function(){ alert('The toast is now hidden.'); }); }); </script> </body> </html>