Refactor includes function to use for...of loop

Author: HadiVahidi20

Sprint-1/refactor/includes.js

@@ -1,13 +1,12 @@
 // 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];
+  for (const element of list) {
     if (element === target) {
-      return true;
+      return true; 
     }
   }
-  return false;
+  return false; 
 }
 
 module.exports = includes;