diff --git a/codes/javascript/chapter_hashing/array_hash_map.js b/codes/javascript/chapter_hashing/array_hash_map.js
index 056a8007e..f5c77aa2b 100644
--- a/codes/javascript/chapter_hashing/array_hash_map.js
+++ b/codes/javascript/chapter_hashing/array_hash_map.js
@@ -14,7 +14,7 @@ class Entry {
 
 /* 基于数组简易实现的哈希表 */
 class ArrayHashMap {
-    #bucket
+    #bucket;
     constructor() {
         // 初始化一个长度为 100 的桶（数组）
         this.#bucket = new Array(100).fill(null);
diff --git a/docs/chapter_hashing/hash_map.md b/docs/chapter_hashing/hash_map.md
index c441c7187..61f4c2293 100644
--- a/docs/chapter_hashing/hash_map.md
+++ b/docs/chapter_hashing/hash_map.md
@@ -539,7 +539,7 @@ $$
 
     /* 基于数组简易实现的哈希表 */
     class ArrayHashMap {
-        #bucket
+        #bucket;
         constructor() {
             // 初始化一个长度为 100 的桶（数组）
             this.#bucket = new Array(100).fill(null);