<!DOCTYPE html>
<html>
<body>
<h1>The formtarget attribute</h1>
<form action="/action_page.php">
<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"><br><br>
<input type="submit" value="Submit as normal">
<input type="submit" formtarget="_top" value="Submit to a new window/tab">
</form>
</body>
</html>