Grazie a buon rendere


Originariamente inviato da badaze
codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
<head>
<title>Untitled</title>
</head>
<body>

Clicca<input type="checkbox" onclick="document.getElementById('btn').disabled=! (this.checked); ">
<input type="button" id="btn" disabled value="Bottone da cliccare">
</body>
</html>