fix lint

src/js/09-session.js

@@ -3,10 +3,10 @@
 
   const logo = document.getElementById('logo')
 
-  function getCookie(name) {
-    let cookies = document.cookie.split(';')
+  function getCookie (name) {
+    const cookies = document.cookie.split(';')
     for (let i = 0; i < cookies.length; i++) {
-      let cookie = cookies[i].trim()
+      const cookie = cookies[i].trim()
       if (cookie.startsWith(name + '=')) {
         return cookie.substring(name.length + 1)
       }
@@ -15,17 +15,17 @@
   }
 
   document.addEventListener('DOMContentLoaded', function () {
-    let jsessionid = getCookie('JSESSIONID')
+    const jsessionid = getCookie('JSESSIONID')
 
     if (jsessionid) {
       // JSESSIONID 쿠키 값이 있을 경우 추가할 a 태그 생성
-      let newLink = document.createElement('a')
+      const newLink = document.createElement('a')
       newLink.className = 'navbar-item'
       newLink.href = 'https://swlab.bwg.co.kr/web/docs/bxm/swlab-docs-bxm-s/current/concepts/overview.html'
       newLink.textContent = 'BXM Concepts Overview'
 
       // 기존 BXM 링크 바로 아래에 삽입
-      let bxmLink = document.querySelector(
+      const bxmLink = document.querySelector(
         '.navbar-dropdown .navbar-item[href="https://swlab.bwg.co.kr/web/docs/bxm/swlab-docs-bxm/current/index.html"]'
       )
       if (bxmLink) {