Add missing function declaration and export

Author: ross-u

src/functions-and-arrays.js

@@ -2,27 +2,38 @@
 function maxOfTwoNumbers() {}
 
 
+
 // Iteration #2: Find longest word
+const words = ['mystery', 'brother', 'aviator', 'crocodile', 'pearl', 'orchard', 'crackpot'];
 
 function findLongestWord() {}
 
-const words = ['mystery', 'brother', 'aviator', 'crocodile', 'pearl', 'orchard', 'crackpot'];
 
-// Iteration #3: Calculate the sum
 
+// Iteration #3: Calculate the sum
 const numbers = [6, 12, 1, 18, 13, 16, 2, 1, 8, 10];
 
 function sumNumbers() {}
 
+
+
+// Iteration #3.1 Bonus:
+function sum() {}
+
+
+
 // Iteration #4: Calculate the average
 // Level 1: Array of numbers
 const numbersAvg = [2, 6, 9, 10, 7, 4, 1, 9];
 
 function averageNumbers() {}
 
+
 // Level 2: Array of strings
 const wordsArr = ['seat', 'correspond', 'linen', 'motif', 'hole', 'smell', 'smart', 'chaos', 'fuel', 'palace'];
 
+
+
 // Iteration #5: Unique arrays
 const wordsUnique = [
   'crab',
@@ -40,11 +51,15 @@ const wordsUnique = [
 
 function uniquifyArray() {}
 
+
+
 // Iteration #6: Find elements
 const wordsFind = ['machine', 'subset', 'trouble', 'starting', 'matter', 'eating', 'truth', 'disobedience'];
 
 function doesWordExist() {}
 
+
+
 // Iteration #7: Count repetition
 const wordsCount = [
   'machine',
@@ -62,8 +77,9 @@ const wordsCount = [
 
 function howManyTimes() {}
 
-// Iteration #8: Bonus
 
+
+// Iteration #8: Bonus
 const matrix = [
   [8, 2, 22, 97, 38, 15, 0, 40, 0, 75, 4, 5, 7, 78, 52, 12, 50, 77, 91, 8],
   [49, 49, 99, 40, 17, 81, 18, 57, 60, 87, 17, 40, 98, 43, 69, 48, 4, 56, 62, 0],
@@ -89,12 +105,17 @@ const matrix = [
 
 function greatestProduct() {}
 
-// The following is required to make unit tests work. Please ignore it.
+
+
+
+// The following is required to make unit tests work.
+/* Environment setup. Do not modify the below code. */
 if (typeof module !== 'undefined') {
   module.exports = {
     maxOfTwoNumbers,
     findLongestWord,
     sumNumbers,
+    sum,
     averageNumbers,
     uniquifyArray,
     doesWordExist,