form.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Login form</title>
</head>
<body>

    <a href="radio.html">radio</a>

    <!--get = append data in url,post = append data in server-->
    <form method="post" action=""> 
        <p>User name<input type="text" name="username" placeholder="enter Username" size="9" maxlength="25" value="admin"></p>
        <p>Password<input type="password" name="pwd" placeholder="enter password"></p>
        <p><input type="submit" name="login-button" value="Send"></p>
        <p>Comments: <br>
        <textarea name="comments" id="comments" cols="30" rows="10" placeholder="enter your comments">enter comments</textarea>
        </p>
    </form>
</body>
</html>