fmpq.com
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> </head> <body> <form action="demo_keygen.php" method="get"> 用户名: <input type="text" name="usr_name"> 加密: <keygen id="myKeygen" name="security"> <input type="submit"> </form> <p>点击 "点我" 按钮禁用 keygen 字段。</p> <button onclick="myFunction()">点我</button> <script> function myFunction(){ document.getElementById("myKeygen").disabled=true; } </script> </body> </html>
运行结果