Code to change the related product widget heading from h1 to h3 - By WebToffee (Related products Basic plugin)

functions.php

<?php> //Do not copy this line of code
 add_action('wp_footer', function () {
  if (is_product()) {
    ?>
    <script>
      jQuery(document).ready(function () {
        const container = jQuery('.wt-related-products');
        if (container.length > 0) {
          const h1 = container.find('.wt-crp-heading');
          if (h1.length) {
            const h3 = jQuery('<h3>', {
              class: h1.attr('class'),
              style: h1.attr('style'),
              html: h1.html()
            });
            h1.replaceWith(h3);
          }
        }
      });
    </script>
    <?php
  }
}, 20);