From 24d15e15bdb4b9fe96de6fee653465e8aaf8312b Mon Sep 17 00:00:00 2001
From: Elmar Ludwig <elmar.ludwig@uni-osnabrueck.de>
Date: Wed, 14 Dec 2022 12:32:50 +0000
Subject: code improvements

---
 resources/assets/javascripts/lib/skip_links.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/resources/assets/javascripts/lib/skip_links.js b/resources/assets/javascripts/lib/skip_links.js
index e2dee05..e89d65c 100644
--- a/resources/assets/javascripts/lib/skip_links.js
+++ b/resources/assets/javascripts/lib/skip_links.js
@@ -63,7 +63,7 @@ const SkipLinks = {
      * and highlights it
      */
     setActiveTarget (id) {
-        let fragment = '';
+        let fragment;
         // set active area only if skip links are activated
         if (!document.getElementById('skip_link_navigation')) {
             return false;
@@ -73,7 +73,7 @@ const SkipLinks = {
         } else {
             fragment = document.location.hash;
         }
-        let valid_selector = undefined;
+        let valid_selector;
         try {
             valid_selector = document.querySelector(fragment) != null;
         } catch (e) {
-- 
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