Bootstrap Tooltip
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet"> </head> <body> <button type="button" class="btn btn-primary" data-bs-toggle="tooltip" data-bs-title="Hi! I am a tooltip"> Hover over me </button> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script> <script> const tooltipTriggerList = document.querySelectorAll('[data-bs-toggle="tooltip"]'); const tooltipList = [...tooltipTriggerList].map(el => new bootstrap.Tooltip(el)); </script> </body> </html>