Refactor to use for of loop

Author: bytesandroses

Sprint-1/refactor/includes.js

@@ -1,11 +1,6 @@
-// Refactor the implementation of includes to use a for...of loop
-
 function includes(list, target) {
-  for (let index = 0; index < list.length; index++) {
-    const element = list[index];
-    if (element === target) {
-      return true;
-    }
+  for (const item of list) {
+    if (item === target) return true;
   }
   return false;
 }