<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
?>
<script type="text/x-magento-init">
{
    "#email_address": {
        "newsletterSignUp": {
            "signUpElement": "#is_subscribed",
            "submitButton": ".form-create-account button[type='submit']"
        }
    }
}
</script>
