Run ❯
<!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="../../cdn.jsdelivr.net/npm/bootstrap%404.6.1/dist/css/bootstrap.min.css"> <script src="../../cdn.jsdelivr.net/npm/jquery%403.6.0/dist/jquery.slim.min.js"></script> <script src="../../cdn.jsdelivr.net/npm/popper.js%401.16.1/dist/umd/popper.min.js"></script> <script src="../../cdn.jsdelivr.net/npm/bootstrap%404.6.1/dist/js/bootstrap.bundle.min.js"></script> </head> <body> <div class="container"> <h3>Tooltip Example</h3> <a href="#" data-toggle="tooltip" title="Hooray!">Hover over me</a> </div> <script> $(document).ready(function(){ $('[data-toggle="tooltip"]').tooltip(); }); </script> </body> </html>