<!DOCTYPE html>
<html>
<body>
<form action="action_page.php" novalidate>
E-mail: <input type="email" name="user_email">
<input type="submit">
</form>
<p><strong>Note:</strong> The novalidate attribute of the form tag is not supported in Internet Explorer 9 and earlier versions, or in Safari.</p>
</body>
</html>