Updated Drupal to 8.6. This goes with the following updates because it's possible...

[yaffs-website] / web / core / modules / color / tests / modules / color_test / themes / color_test_theme / js / color_test_theme-fontsize.es6.js

/**
 * @file
 * Adds javascript functions for font resizing.
 */
(function($) {
  $(document).ready(() => {});
})(jQuery);