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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>Close Bootstrap Alerts via JavaScript</title> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"></script> <script> document.addEventListener("DOMContentLoaded", function(){ var btn = document.getElementById("myBtn"); var element = document.getElementById("myAlert"); // Create alert instance var myAlert = new bootstrap.Alert(element); btn.addEventListener("click", function(){ myAlert.close(); }); }); </script> </head> <body> <div class="m-4"> <div id="myAlert" class="alert alert-info alert-dismissible fade show"> <strong>Note!</strong> This is a simple example of an info alert. You can close this alert by clicking the exteranl "Close Alert" button. </div> <button type="button" class="btn btn-danger" id="myBtn">Close Alert</button> </div> </body> </html>
