Ejemplo
Vista Previa
<!doctype html> <html> <head> <title>Prueba de Bootstrap 4</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous"> </head> <body> <div class="container"> <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#dialogo1">Abrir ventana de diálogo</button> <div class="modal fade" id="dialogo1"> <div class="modal-dialog"> <div class="modal-content"> <!-- cabecera del diálogo --> <div class="modal-header"> <h4 class="modal-title">Título del diálogo</h4> <button type="button" class="close" data-dismiss="modal">X</button> </div> <!-- cuerpo del diálogo --> <div class="modal-body"> Contenido del diálogo. </div> <!-- pie del diálogo --> <div class="modal-footer"> <button type="button" class="btn btn-secondary" data-dismiss="modal">Cerrar</button> </div> </div> </div> </div> </div> <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script> </body> </html>
No tiene disponible el navegador la capacidad de iframe