<!DOCTYPE html>
<html>
<body>
<h1>The button form attribute</h1>
<form action="/action_page.php" method="get" id="nameform">
<label for="fname">First name:</label>
<input type="text" id="fname" name="fname"><br><br>
<label for="lname">Last name:</label>
<input type="text" id="lname" name="lname">
</form>
<p>The button below is outside the form element, but still part of the form.</p>
<button type="submit" form="nameform" value="Submit">Submit</button>
</body>
</html>