Bottone con ALERT
<!DOCTYPE html> <html> <body> <button type="button" onclick="alert('Hello world!')">Click Me!</button> </body> </html>
<!DOCTYPE html>
<html>
<body>
<button type="button" onclick="alert('Hello world!')">Click Me!</button>
</body>
</html>
(bottoneconalert.html)- by Paolo Puglisi - Modifica del 25/3/2019