From bc3d202797ee1a2c276efd2b0b86cc00bd0f744a Mon Sep 17 00:00:00 2001
From: Steve2020 <841532108@qq.com>
Date: Sun, 5 Jun 2022 10:54:31 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=EF=BC=880205.=E5=90=8C?=
 =?UTF-8?q?=E6=9E=84=E5=AD=97=E7=AC=A6=E4=B8=B2.md=EF=BC=89=EF=BC=9A?=
 =?UTF-8?q?=E5=A2=9E=E5=8A=A0typescript=E7=89=88=E6=9C=AC?=
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---
 problems/0205.同构字符串.md | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/problems/0205.同构字符串.md b/problems/0205.同构字符串.md
index d4b71c59..337dcc73 100644
--- a/problems/0205.同构字符串.md
+++ b/problems/0205.同构字符串.md
@@ -156,6 +156,28 @@ var isIsomorphic = function(s, t) {
 };
 ```
 
+## TypeScript
+
+```typescript
+function isIsomorphic(s: string, t: string): boolean {
+    const helperMap1: Map<string, string> = new Map();
+    const helperMap2: Map<string, string> = new Map();
+    for (let i = 0, length = s.length; i < length; i++) {
+        let temp1: string | undefined = helperMap1.get(s[i]);
+        let temp2: string | undefined = helperMap2.get(t[i]);
+        if (temp1 === undefined && temp2 === undefined) {
+            helperMap1.set(s[i], t[i]);
+            helperMap2.set(t[i], s[i]);
+        } else if (temp1 !== t[i] || temp2 !== s[i]) {
+            return false;
+        }
+    }
+    return true;
+};
+```
+
+
+
 
 -----------------------
 <div align="center"><img src=https://code-thinking.cdn.bcebos.com/pics/01二维码一.jpg width=500> </img></div>