From 8cfce4eefa9df796bf936698d58a7add88dd49ca Mon Sep 17 00:00:00 2001
From: koevas1226 <3130104027@stmail.ujs.edu.cn>
Date: Tue, 24 Aug 2021 20:10:20 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A00189.=E6=97=8B=E8=BD=AC?=
 =?UTF-8?q?=E6=95=B0=E7=BB=84=20js=E7=89=88=E6=9C=AC?=
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---
 problems/0189.旋转数组.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/problems/0189.旋转数组.md b/problems/0189.旋转数组.md
index be46bf4c..a2b2b206 100644
--- a/problems/0189.旋转数组.md
+++ b/problems/0189.旋转数组.md
@@ -131,6 +131,22 @@ class Solution:
 ## JavaScript
 
 ```js
+var rotate = function (nums, k) {
+  function reverse(nums, i, j) {
+    while (i < j) {
+      [nums[i],nums[j]] = [nums[j],nums[i]]; // 解构赋值
+      i++;
+      j--;
+    }
+  }
+  let n = nums.length;
+  k %= n;
+  if (k) {
+    reverse(nums, 0, n - 1);
+    reverse(nums, 0, k - 1);
+    reverse(nums, k, n - 1);
+  }
+};
 ```
 
 -----------------------