1. AT END MISSING "}"
2.  
3.  
4.  
5.  
6. // FUNCTION DEFINITION(S)
7. function map(array, callbackFunction) {
8.   var newArray = [];
9.  
10.   for (var i = 0; i < array.length; i++) {
11.     var element = array[i];
12.     newArray = newArray + callbackFunction(element);
13.   }
14.  
15.   return newArray;
16. }
17.  
18. function cubeAll(numbers) {
19.   return map(numbers, function(n) {
20.     return n * n;
21.   });
22. }
23.  
24. // ASSERTION FUNCTION(S) TO BE USED
25. function assertArraysEqual(actual, expected, testName){
26.   var hasSameVal = true;
27.   for(var i = 0; i < actual.length; i++){
28.     if(actual[i]!== expected[i]){
29.       hasSameVal === false;
30.       break;
31.     }
32.   }
33.   var SameLength = actual.length === expected.length;
34.   if(hasSameVal && SameLength){
35.     console.log('Passed');
36.   } else{
37.     console.log('FAILED ['+testName+ '] Expected ' +expected+' , but got '+actual);
38.   }
39. }
40.  
41. // TESTS CASES
42.  
43. function addOne(val){
44.   return val + 1;
45. }
46. var inputForMap = [1, 2, 3];
47. var actualMap  = map[inputForMap, addOne];
48. var expectedMap =[2, 3, 4]
49. assertArraysEqual(actualMap, expectedMap, "should correctly map elements of an array");