<html>
<body>
<form action="demo-form.php" method="get">
First name: <input type="text" name="fname"><br>
Last name: <input type="text" name="lname"><br>
<button type="submit">Submit</button><br>
<button type="submit" formaction="demo-admin.php">Submit as admin</button>
</form>
<p><strong>Note:</strong> The formaction attribute of the button tag is not supported in Internet Explorer 9 and earlier versions.</p>
</body>
</html>