RM_TOC

function turn_rm_toc_collapsable() {
    ?>
    <script>
        jQuery(document).ready(function() {
            var tocItems = jQuery("div.wp-block-rank-math-toc-block");
            tocItems.bind("click", function(event) {
                var nav = jQuery(this).find("nav");
                var tocHeading = jQuery(this).find("h2");
                if (nav.css("overflow") == "hidden") {
                    nav.css("overflow", "visible");
                    nav.css("max-height", "100vh");
                    tocHeading.addClass("active"); // Add the "active" class
                } else {
                    nav.css("overflow", "hidden");
                    nav.css("max-height", "0");
                    tocHeading.removeClass("active"); // Remove the "active" class
                }
            });
        });
    </script>
    <?php
}
add_action('wp_footer', 'turn_rm_toc_collapsable');