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<!DOCTYPE html> <html> <body> Encryption: <keygen id="myKeygen" name="security" keytype="rsa"> <p>Click the button to return the value of the keytype attribute of the keygen field.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myKeygen").keytype; document.getElementById("demo").innerHTML = x; } </script> </body> </html>