Create 242-Valid-Anagram.js

veerbia · web-flow · commit aa54a2012be6 · 2022-04-03T11:42:05.000-07:00
diff --git a/javascript/242-Valid-Anagram.js b/javascript/242-Valid-Anagram.js
@@ -0,0 +1,34 @@
+/**
+ * @param {string} s
+ * @param {string} t
+ * @return {boolean}
+ */
+var isAnagram = function(s, t) {
+    let map = {};
+    
+    if (s.length !== t.length) {
+        return false;
+    }
+    
+    for (let i = 0; i < s.length; i++) {
+        if (map[s[i]]) {
+            map[s[i]]++;
+        } else {
+            map[s[i]] = 1;
+        }
+    }
+    
+    for (let i = 0;  i < t.length; i++) {
+        if (map[t[i]]) {
+            map[t[i]]--;
+        } else {
+            return false;
+        }
+    }
+    
+    return true;
+    
+    
+    
+    
+};
