Excercise loops

src/for-loop-and-arrays.js

@@ -6,18 +6,29 @@ let word = '' // eslint-disable-line prefer-const
 // TODO: Add code below this line to make the tests pass
 
 // 1. Use a for loop to set the sum variable to the sum of all the values in nums
-
+for (let i = 0; i < nums.length; i++) {
+  sum += nums[i]
+}
 // 2. Use a for loop to populate doubledNums with every value from nums array doubled (i.e [2, 6, 24, etc...])
 const doubledNums = []
-
+for (let i = 0; i < nums.length; i++) {
+  doubledNums.push(nums[i] * 2)
+}
 // 3. Use a for loop to set word equal to all the letters in the letters array
-
+for (let i = 0; i < letters.length; i++) {
+  word += letters[i]
+}
 // 4. Use a for loop to populate everySecondNum with every second number from the nums array
 const everySecondNum = []
-
+for (let i = 1; i < nums.length; i += 2) {
+  everySecondNum.push(nums[i])
+}
 // 5. Use a for loop to populate numsReversed with the numbers from nums in reverse order
 const numsReversed = []
-
+for (let i = nums.length - 1; i >= 0; i--) {
+  numsReversed.push(nums[i])
+}
+console.log(numsReversed)
 // do not change below this line
 module.exports = {
   a: sum,

src/for-loop-basic.js

@@ -4,13 +4,21 @@ const evenNums = []
 const countdown = []
 
 // TODO: 1. Write a for loop that adds the numbers 0 to 3 to the numsZeroToThree array
-
+for (let i = 0; i < 4; i++) {
+  numsZeroToThree.push(i)
+}
 // TODO: 2. Write a for loop that adds the numbers 5 to 10 to the numsFiveToTen array
-
+for (let i = 5; i < 11; i++) {
+  numsFiveToTen.push(i)
+}
 // TODO: 3. Write a for loop that adds all the even numbers between 0 and 6 (0, 2, 4, 6) to evenNums
-
+for (let i = 0; i < 7; i += 2) {
+  evenNums.push(i)
+}
 // TODO: 4. Write a for loop that adds the numbers 3 to 0 (in that order) to the countdown array
-
+for (let i = 3; i >= 0; i--) {
+  countdown.push(i)
+}
 // do not change below this line
 module.exports = {
   a: numsZeroToThree,