diff --git a/codes/javascript/chapter_array_and_linkedlist/array.js b/codes/javascript/chapter_array_and_linkedlist/array.js
index b496797be..754e8fb15 100644
--- a/codes/javascript/chapter_array_and_linkedlist/array.js
+++ b/codes/javascript/chapter_array_and_linkedlist/array.js
@@ -70,11 +70,11 @@ function find(nums, target) {
 /* 初始化数组 */
 const arr = new Array(5).fill(0);
 console.log("数组 arr =", arr);
-const nums = [1, 3, 2, 5, 4];
+let nums = [1, 3, 2, 5, 4];
 console.log("数组 nums =", nums);
 
 /* 随机访问 */
-random_num = randomAccess(nums);
+let random_num = randomAccess(nums);
 console.log("在 nums 中获取随机元素", random_num);
 
 /* 长度扩展 */
@@ -93,5 +93,5 @@ console.log("删除索引 2 处的元素，得到 nums =", nums);
 traverse(nums);
 
 /* 查找元素 */
-const index = find(nums, 3);
+let index = find(nums, 3);
 console.log("在 nums 中查找元素 3 ，得到索引 =", index);