learnosity-1.0.x-dev/js/learnosity.inline_items.js

(function ($, window, Drupal, drupalSettings) {
  Drupal.learnosityHandlers.addHandler('items', {
    /** This prevents the "leave site" prompt for inline items. */
    beforeunload: false,
  });
})(jQuery, window, Drupal, drupalSettings);