implement_map_with_reduce Boiler Plate is Incorrect

[MeetJoshi0]

boiler plate Provided is :

-function` arrayMap(arr, fn) {
  //SOLUTION GOES HERE
}

module.exports = arrayMap;


+function arrayMap(arr, fn,thisArg) {
  //SOLUTION GOES HERE
}

module.exports = arrayMap;

[MeetJoshi0]

i have created pull request so please do review it.