https://yourlifeiowa.org/themes/custom/goldfinch/js/external-links.js?v=11.3.17

1((Drupal, window) => {
2  /**
3   * Initialize the window printing.
4   *
5   * @type {Drupal~behavior}
6   *
7   * @prop {Drupal~behaviorAttach} attach
8   *   Attach context and settings for printing.
9   */
10  Drupal.behaviors.external_links = {
11    attach(context) {
12      window.addEventListener("load", (event) => {
13        const links_icons = document.querySelectorAll('a.ext span.extlink-nobreak > span.extlink');
14        links_icons.forEach(function (span) {
15          span.setAttribute('aria-label', "(link is external, opens in a new window)");
16        });
17      });
18    },
19  };
20})(Drupal, window);