2week: 242. Valid Anagram

Author: j2h30728

valid-anagram/j2h30728.ts

@@ -0,0 +1,12 @@
+function isAnagram(s: string, t: string): boolean {
+  const obj = {};
+  for (let i = 0; i < s.length; i++) {
+    obj[s[i]] = (obj[s[i]] || 0) + 1;
+  }
+
+  for (let i = 0; i < t.length; i++) {
+    obj[t[i]] -= 1;
+  }
+
+  return Object.values(obj).filter((value) => value !== 0).length === 0;
+}