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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Bootstrap 4 Toast Events</title> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css"> <script src="https://code.jquery.com/jquery-3.5.1.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js"></script> <style> .bs-example{ margin: 20px; position: relative; } </style> <script> $(document).ready(function(){ $(".toast").toast(); $("#myToast").on('hidden.bs.toast', function(){ alert("Toast component has been completely closed."); }); }); </script> </head> <body> <div class="bs-example"> <h2>Toast Events</h2> <p>An alert will be displayed once you close the toast.</p> <div class="toast fade show" id="myToast" data-autohide="false"> <div class="toast-header"> <strong class="mr-auto"><i class="fa fa-grav"></i> We miss you!</strong> <small>11 mins ago</small> <button type="button" class="ml-2 mb-1 close" data-dismiss="toast"> <span aria-hidden="true">×</span> </button> </div> <div class="toast-body"> <div>It's been a long time since you visited us. We've something special for you. <a href="#">Click here!</a></div> </div> </div> </div> </body> </html>