From 21fc5cd17bba8d75d22a56a832c19958610b28b2 Mon Sep 17 00:00:00 2001
From: Steve2020 <841532108@qq.com>
Date: Wed, 12 Jan 2022 18:21:08 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=EF=BC=880242.=E6=9C=89?=
 =?UTF-8?q?=E6=95=88=E7=9A=84=E5=AD=97=E6=AF=8D=E5=BC=82=E4=BD=8D=E8=AF=8D?=
 =?UTF-8?q?.md=EF=BC=89=EF=BC=9A=E5=A2=9E=E5=8A=A0typescript=E7=89=88?=
 =?UTF-8?q?=E6=9C=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0242.有效的字母异位词.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/problems/0242.有效的字母异位词.md b/problems/0242.有效的字母异位词.md
index cdcf39ce..52f8e667 100644
--- a/problems/0242.有效的字母异位词.md
+++ b/problems/0242.有效的字母异位词.md
@@ -214,7 +214,23 @@ var isAnagram = function(s, t) {
 };
 ```
 
+TypeScript：
+
+```typescript
+function isAnagram(s: string, t: string): boolean {
+    if (s.length !== t.length) return false;
+    let helperArr: number[] = new Array(26).fill(0);
+    let pivot: number = 'a'.charCodeAt(0);
+    for (let i = 0, length = s.length; i < length; i++) {
+        helperArr[s.charCodeAt(i) - pivot]++;
+        helperArr[t.charCodeAt(i) - pivot]--;
+    }
+    return helperArr.every(i => i === 0);
+};
+```
+
 Swift：
+
 ```Swift
 func isAnagram(_ s: String, _ t: String) -> Bool {
     if s.count != t.count {