From 434d098b4f753c982581f7915d34e7c6a0ce4b77 Mon Sep 17 00:00:00 2001
From: dima-safin-2025 <dima.safin.2025@mail.ru>
Date: Fri, 9 Aug 2024 17:01:52 +0800
Subject: [PATCH] refactor: move 'li' variable declaration outside of switch
 cases

---
 book/book/book.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/book/book/book.js b/book/book/book.js
index aa12e7e..0737a08 100644
--- a/book/book/book.js
+++ b/book/book/book.js
@@ -408,7 +408,7 @@ function playground_text(playground, hidden = true) {
     document.addEventListener('keydown', function (e) {
         if (e.altKey || e.ctrlKey || e.metaKey || e.shiftKey) { return; }
         if (!themePopup.contains(e.target)) { return; }
-
+        var li = document.activeElement.parentElement;
         switch (e.key) {
             case 'Escape':
                 e.preventDefault();
@@ -416,14 +416,12 @@ function playground_text(playground, hidden = true) {
                 break;
             case 'ArrowUp':
                 e.preventDefault();
-                var li = document.activeElement.parentElement;
                 if (li && li.previousElementSibling) {
                     li.previousElementSibling.querySelector('button').focus();
                 }
                 break;
             case 'ArrowDown':
                 e.preventDefault();
-                var li = document.activeElement.parentElement;
                 if (li && li.nextElementSibling) {
                     li.nextElementSibling.querySelector('button').focus();
                 }