From d689012bc028d92df63e25a7a1b99c0396e7f7eb Mon Sep 17 00:00:00 2001
From: zhaocchen <zhaocchen@163.com>
Date: Sun, 18 Jul 2021 17:14:06 +0800
Subject: [PATCH] feat: add typescript solution to lc problem: No.0242.Valid
 Anagram

---
 solution/0200-0299/0242.Valid Anagram/README.md   | 15 +++++++++++++++
 .../0200-0299/0242.Valid Anagram/README_EN.md     | 15 +++++++++++++++
 solution/0200-0299/0242.Valid Anagram/Solution.ts | 10 ++++++++++
 3 files changed, 40 insertions(+)
 create mode 100644 solution/0200-0299/0242.Valid Anagram/Solution.ts

diff --git a/solution/0200-0299/0242.Valid Anagram/README.md b/solution/0200-0299/0242.Valid Anagram/README.md
index 1d57d61c10625..f7c24a5638de6 100644
--- a/solution/0200-0299/0242.Valid Anagram/README.md	
+++ b/solution/0200-0299/0242.Valid Anagram/README.md	
@@ -80,6 +80,21 @@ class Solution {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function isAnagram(s: string, t: string): boolean {
+    if (s.length != t.length) return false;
+    let record = new Array(26).fill(0);
+    let base = 'a'.charCodeAt(0);
+    for (let i = 0; i < s.length; ++i) {
+        ++record[s.charCodeAt(i) - base];
+        --record[t.charCodeAt(i) - base];
+    }
+    return record.every(v => v == 0);
+};
+```
+
 ### **C++**
 
 ```cpp
diff --git a/solution/0200-0299/0242.Valid Anagram/README_EN.md b/solution/0200-0299/0242.Valid Anagram/README_EN.md
index ce577765f5cb8..758b506ab1e10 100644
--- a/solution/0200-0299/0242.Valid Anagram/README_EN.md	
+++ b/solution/0200-0299/0242.Valid Anagram/README_EN.md	
@@ -72,6 +72,21 @@ class Solution {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function isAnagram(s: string, t: string): boolean {
+    if (s.length != t.length) return false;
+    let record = new Array(26).fill(0);
+    let base = 'a'.charCodeAt(0);
+    for (let i = 0; i < s.length; ++i) {
+        ++record[s.charCodeAt(i) - base];
+        --record[t.charCodeAt(i) - base];
+    }
+    return record.every(v => v == 0);
+};
+```
+
 ### **C++**
 
 ```cpp
diff --git a/solution/0200-0299/0242.Valid Anagram/Solution.ts b/solution/0200-0299/0242.Valid Anagram/Solution.ts
new file mode 100644
index 0000000000000..326b3bc10697f
--- /dev/null
+++ b/solution/0200-0299/0242.Valid Anagram/Solution.ts	
@@ -0,0 +1,10 @@
+function isAnagram(s: string, t: string): boolean {
+    if (s.length != t.length) return false;
+    let record = new Array(26).fill(0);
+    let base = 'a'.charCodeAt(0);
+    for (let i = 0; i < s.length; ++i) {
+        ++record[s.charCodeAt(i) - base];
+        --record[t.charCodeAt(i) - base];
+    }
+    return record.every(v => v == 0);
+};
\ No newline at end of file