Merge pull request akshitagit#151 from Jaideep12/master

akshitagupta15june · web-flow · commit 07b6ca40fa45 · 2022-10-05T12:18:51.000+05:30
Create HappyNumber.js
diff --git a/Maths/HappyNumber.js b/Maths/HappyNumber.js
@@ -0,0 +1,16 @@
+const recursiveSum = (x, result = 0) => {
+   if(x){
+      return recursiveSum(Math.floor(n/10), res+Math.pow((n%10),2));
+   };
+   return result;
+};
+const isHappyNumber = (n, resMap = {}) => {
+   if(n !== 1){
+      if(resMap[n]){
+         return false;
+      }
+      resMap[n] = 1;
+      return isHappyNumber(recursiveSum(n), resMap);
+   };
+   return true;
+}
