non capisco perche ricarica la pagina e manda i dati al server
sito www.laboraccio.altervista.org
codice HTML:<html> <head> <title></title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta charset="utf-8"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjs/3.14.1/math.min.js"></script> <link href="config.css" type="text/css" rel="stylesheet"> </head> <body> <div id="form-riconoscimento"> <h4>modulo di riconoscimento</h4> <table> <form method="get" action="server.php"> <tr> <td><input type="text" name="username" placeholder="username" id="username"></td> <td><button onclick="generaUsername()">genera username</button></td> </tr> <tr> <td><input type="password" name="password" placeholder="password"></td> </tr> <tr> <td><input type="radio" name="opzioneUtente" value="registrareUtente">registrasi</td></tr> <tr> <td><input type="radio" name="opzioneUtente" value="loggareUtente">accedere</td> </tr> <tr> <td><input type="submit" value="invio"></td></tr> </form> </table> </div> <script type="text/javascript"> codiceAlfa = "HAvc13nmsdw"; caratteri = codiceAlfa.split(""); //return array codici = []; function generaUsername(){ for(i=0; i<=caratteri.length; i++){ codici.push(caratteri[math.randomInt(caratteri.length)]) ; } codice = codici.join(""); //return string document.getElementById("username").value=codice; } </script> </body> </html>
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