footer.php

<?php
/** Themify Default Variables
 @var object */
    global $themify; ?>

    <?php themify_layout_after(); //hook ?>
    </div>
    <!-- /body -->

    <div id="footerwrap">

        <?php themify_footer_before(); // hook ?>
        <footer id="footer" class="pagewidth clearfix">
            <?php themify_footer_start(); // hook ?>

            <?php get_template_part( 'includes/footer-widgets'); ?>

            <p class="back-top"><a href="#header">&uarr;</a></p>

            <?php if (function_exists('wp_nav_menu')) {
                wp_nav_menu(array('theme_location' => 'footer-nav' , 'fallback_cb' => '' , 'container'  => '' , 'menu_id' => 'footer-nav' , 'menu_class' => 'footer-nav'));
            } ?>

            <div class="footer-text clearfix">
                <?php themify_the_footer_text(); ?>

            </div>
            <!-- /footer-text -->
            <?php themify_footer_end(); // hook ?>
        </footer>
        <!-- /#footer -->
        <?php themify_footer_after(); // hook ?>
    </div>
    <!-- /#footerwrap -->

</div>
<!-- /#pagewrap -->

<?php
/**
 *  Stylesheets and Javascript files are enqueued in theme-functions.php
 */
?>

<?php themify_body_end(); // hook ?>
<!-- wp_footer -->
<?php wp_footer(); ?>

<script type='text/javascript'>
(function () {
    window['yandexChatWidgetCallback'] = function() {
        try {
            window.yandexChatWidget = new Ya.ChatWidget({
                guid: 'f217f1bd-ae68-4f86-96f8-1be4a9ea4305',
                buttonText: '',
                title: 'Чат',
                theme: 'light',
                collapsedDesktop: 'never',
                collapsedTouch: 'never'
            });
        } catch(e) { }
    };
    var n = document.getElementsByTagName('script')[0],
        s = document.createElement('script');
    s.async = true;
    s.src = 'https://chat.s3.yandex.net/widget.js';
    n.parentNode.insertBefore(s, n);
})();
</script>
</body>
</html>