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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="/lib/bootstrap.min.css"> <script src="/lib/jquery-1.12.2.min.js"></script> <script src="/lib/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>Alert Events</h2> <p>The <strong>close</strong> event occurs when the alert message is about to be closed.</p> <div class="alert alert-danger" id="myAlert"> <a href="#" class="close">×</a> <strong>Hey you!</strong> Try to close this alert message. </div> </div> <script> $(document).ready(function(){ $(".close").click(function(){ $("#myAlert").alert("close"); }); $("#myAlert").on('close.bs.alert', function(){ alert('The alert message is about to be closed.'); }); }); </script> </body> </html>