<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://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script></head><body><div class="container"> <h2>Close Alerts Via JavaScript</h2> <div class="alert alert-success alert-dismissible" id="myAlert"> <a href="#" class="close">×</a> <strong>Success!</strong> This alert box could indicate a successful or positive action. </div></div><script>$(document).ready(function(){ $(".close").click(function(){ $("#myAlert").alert("close"); });});</script>