✅ [242] Used map.get/.set which are faster

Author: enkr1

242/my_solution.js

@@ -4,6 +4,7 @@
  * @return {boolean}
  */
 const isAnagram = (s, t) => {
+  if (s.length !== t.length) return false;
   s = s.split("");
   console.log("result")
   console.log(validateMap(s, createMap(s), createMap(t)))
@@ -17,6 +18,7 @@ const createMap = (char) => {
     console.log(">")
     console.log(char[i])
     map[char[i]] = (map[char[i]] || 0) + 1;
+    // map.set(char[i], ((map.get(char[i]) || 0) + 1))
     console.log(map)
   }
 
@@ -32,6 +34,10 @@ const createMap = (char) => {
 const validateMap = (char, map1, map2) => {
   for (let i = 0; i < char.length; i++) {
     if (map1[char[i]] !== map2[char[i]]) {
+      // if (map1.get(char[i]) !== map2.get(char[i])) {
+      console.log("check")
+      console.log(map1)
+      console.log(map2)
       return false;
     }
   }
@@ -40,4 +46,6 @@ const validateMap = (char, map1, map2) => {
 }
 
 
-isAnagram("car", "arc")
+// isAnagram("car", "arc")
+// isAnagram("rat", "car")
+isAnagram("a", "ab")

242/solution.js

@@ -4,15 +4,17 @@
  * @return {boolean}
  */
 const isAnagram = (s, t) => {
+  if (s.length !== t.length) return false;
   s = s.split("");
   return validateMap(s, createMap(s), createMap(t));
 }
 
+
 const createMap = (char) => {
   let map = new Map();
 
   for (let i = 0; i < char.length; i++) {
-    map[char[i]] = (map[char[i]] || 0) + 1;
+    map.set(char[i], ((map.get(char[i]) || 0) + 1))
   }
 
   return map;
@@ -21,9 +23,7 @@ const createMap = (char) => {
 
 const validateMap = (char, map1, map2) => {
   for (let i = 0; i < char.length; i++) {
-    if (map1[char[i]] !== map2[char[i]]) {
-      return false;
-    }
+    if (map1.get(char[i]) !== map2.get(char[i])) return false;
   }
 
   return true;