done

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "cSpell.words": ["nums"]
+}

solution.js

@@ -1,62 +1,91 @@
-const { nums, words } = require("./data/data.js");
+// const { nums, words } = require("./data/data.js");
+const nums = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 0];
+
+const words = [
+  "The",
+  "quick",
+  "brown",
+  "fox",
+  "jumps",
+  "over",
+  "the",
+  "lazy",
+  "dog",
+];
 
 // Every
-const isEveryNumGreaterThan2 = () => {
-  //
+const isEveryNumGreaterThan2 = (nums) => {
+  return nums.every((num) => num >= 2);
 };
 
-const isEveryWordShorterThan7 = () => {
-  //
+const isEveryWordShorterThan7 = (words) => {
+  if (!words) {
+    return false;
+  }
+
+  return words.every((word) => word.length < 7);
 };
 
 // Filter
 
-const arrayLessThan5 = () => {
+const arrayLessThan5 = (nums) => {
+  return nums.filter((num) => num < 5);
   //
 };
 
-const arrayOddLengthWords = () => {
+const arrayOddLengthWords = (words) => {
   //
+  return words.filter((word) => word.length % 2 === 1);
 };
 
 // Find
 
-const firstValDivisibleBy4 = () => {
+const firstValDivisibleBy4 = (nums) => {
+  return nums.find((num) => num % 4 === 0);
   //
 };
 
-const firstWordLongerThan4Char = () => {
+const firstWordLongerThan4Char = (words) => {
   //
+  return words.find((word) => word.length > 4);
 };
 
 // For Each
 
 const logValuesTimes3 = () => {
   //
+  nums.forEach((num) => {
+    console.log(num * 3);
+  });
 };
 
 const logWordsWithExclamation = () => {
-  //
+  words.forEach((num) => {
+    console.log(num + "!");
+  });
 };
 
 // Map
 
-const arrayValuesTimes100TimesIndex = () => {
+const arrayValuesTimes100TimesIndex = (nums) => {
+  return nums.map((num, i) => num * num * i);
   //
 };
 
-const arrayWordsUpcased = () => {
-  //
+const arrayWordsUpcased = (words) => {
+  return words.map((word) => {
+    return word.toUpperCase();
+  });
 };
 
 // Some
 
-const areSomeNumsDivisibleBy7 = () => {
-  //
+const areSomeNumsDivisibleBy7 = (nums) => {
+  return nums.some((num) => num % 7 === 0);
 };
 
-const doSomeWordsHaveAnA = () => {
-  //
+const doSomeWordsHaveAnA = (words) => {
+  return words.some((word) => word.includes("a"));
 };
 
 module.exports = {