8.4-array-method-drills

solution.js

@@ -2,71 +2,85 @@ const { nums, words } = require("./data/data.js");
 
 // Every
 const isEveryNumGreaterThan2 = () => {
-  //
+  let result = nums.every((e) => e > 2);
+  return result;
 };
 
 const isEveryWordShorterThan7 = () => {
-  //
+  let result = words.every((e) => e.length < 7);
+  return result;
 };
 
 // Filter
 
 const arrayLessThan5 = () => {
-  //
+  let result = nums.filter((f) => f < 5);
+  return result;
 };
 
 const arrayOddLengthWords = () => {
-  //
+  let result = words.filter((f) => f.length % 2 !== 0);
+  return result;
 };
 
 // Find
 
 const firstValDivisibleBy4 = () => {
-  //
+  let result = nums.find((f) => f % 4 === 0);
+  return result;
 };
 
 const firstWordLongerThan4Char = () => {
-  //
+  let result = words.find((f) => f.length > 4);
+  return result;
 };
 
 // Find Index
 
 const firstNumIndexDivisibleBy3 = () => {
-  //
+  let result = nums.findIndex((i) => i % 3 === 0);
+  return result;
 };
 
 const firstWordIndexLessThan2Char = () => {
-  //
+  let result = words.findIndex((i) => i.length < 2);
+  return result;
 };
 
 // For Each
 
 const logValuesTimes3 = () => {
-  //
+  let result = nums.forEach((e) => e * 3);
+  return result;
 };
 
 const logWordsWithExclamation = () => {
-  //
+  let result = words.forEach((e) => e.includes("!"));
+  return result;
 };
 
 // Map
 
 const arrayValuesSquaredTimesIndex = () => {
-  //
+  let result = nums.map((m, i) => (m ** 2) * i);
+  return result;
 };
 
 const arrayWordsUpcased = () => {
-  //
+  let result = words.map((m) => m.toUpperCase());
+  return result;
 };
 
 // Some
 
 const areSomeNumsDivisibleBy7 = () => {
-  //
+  let result = nums.some((s) => s % 7 === 0);
+  return result;
 };
 
 const doSomeWordsHaveAnA = () => {
-  //
+  let result = words.some((s) => s.includes("a"));
+  return result;
 };
 
 module.exports = {