PATCH - removed split function

Author: Ravindra Chhetri

implementations/toLowerCase.js

@@ -9,12 +9,16 @@
   And characters from a-z have ASCII code from 97-122.
   We're checking this condition to implement this function
 */
-String.prototype.toLowerCase = function myToLowerCase() {
-  return this.split('').reduce((acc, character) => {
+String.prototype.toLowerCase = function myToUpperCase() {
+  let lowerCaseString = '';
+  for (let i = 0; i < this.length; i += 1) {
+    const character = this[i];
     const charCode = character.charCodeAt();
     if (charCode >= 65 && charCode <= 90) {
-      return acc + String.fromCharCode(charCode + 32);
+      lowerCaseString += String.fromCharCode(charCode + 32);
+    } else {
+      lowerCaseString += character;
     }
-    return acc + character;
-  }, '');
+  }
+  return lowerCaseString;
 };