Liferay.Loader.define('site-navigation-item-selector-web$dom-helpers@5.2.0/esm/activeElement', ['module', 'exports', 'require'], function (module, exports, require) {
  var define = undefined;
  var global = window;
  {
    import ownerDocument from './ownerDocument';
    /**
     * Return the actively focused element safely.
     *
     * @param doc the document to checl
     */

    export default function activeElement(doc) {
      if (doc === void 0) {
        doc = ownerDocument();
      }

      // Support: IE 9 only
      // IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
      try {
        var active = doc.activeElement; // IE11 returns a seemingly empty object in some cases when accessing
        // document.activeElement from an <iframe>

        if (!active || !active.nodeName) return null;
        return active;
      } catch (e) {
        /* ie throws if no active element */
        return doc.body;
      }
    }
  }
});
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