Sean Richards

src/conditional-flow/boolean-conditions.js

@@ -4,7 +4,11 @@
 function getResult (didPass) {
 
   // TODO: write code in this function body to pass the tests
-
+ if(didPass){
+  return "Well done, you passed!"
+ }else{
+  return "Sorry, try again"
+ }
 }
 
 module.exports = {

src/conditional-flow/multiple-conditions.js

@@ -4,16 +4,19 @@
 function isInRange (num, lower, upper) {
 
   // TODO: write code in this function body to pass the tests
-
-}
+    return num >= lower && num <= upper
+  }
 
 // This function should return true if the passed string is equal
 // to "Hello" or "Goodbye". Implement this with a single
 // if statement.
 function isHelloOrGoodbye (val1) {
 
   // TODO: write code in this function body to pass the tests
-
+  if(val1 === "Hello" || val1 === "Goodbye"){
+    return true
+  }else{
+    return false}
 }
 
 // This function should return a string that describes the provided age value. The
@@ -31,6 +34,17 @@ function isHelloOrGoodbye (val1) {
 function getAgeDescription (age) {
 
   // TODO: write code in this function body to pass the tests
+  if(age === 0){
+    return "Baby"
+  }else if(age <= 4){
+    return "Toddler"
+  }else if(age <=12){
+    return "Child"
+  }else if(age <=19){
+    return "Teenager"
+  }else{
+    return "Adult"
+  }
 }
 
 module.exports = {

src/conditional-flow/numeric-conditions.js

@@ -4,21 +4,31 @@
 function isArrayEmpty (array) {
 
   // TODO: write code in this function body to pass the tests
-
+  if(array.length === 0){
+    return true
+  }else{
+    return false
+  }
 }
 
 // This function should return true if num1 is greater than num2, false otherwise
 function isGreaterThan (num1, num2) {
 
   // TODO: write code in this function body to pass the tests
-
+  if(num1 > num2){
+    return true 
+  }else{
+    return false
+  }
 }
 
 // This function should return the lowest number in the passed array
 function findLowest (nums) {
 
   // TODO: write code in this function body to pass the tests
+  smallestNum = Math.min(...nums)
 
+  return smallestNum
 }
 
 module.exports = {

src/conditional-flow/string-conditions.js

@@ -2,22 +2,34 @@
 function isHello (val1) {
 
   // TODO: write code in this function body to pass the tests
-
+  if(val1 === "Hello"){
+    return true 
+  }else{
+    return false
+  }
 }
 
 // This function should return true if the passed string is not equal to "Hello"
 function isNotHello (val1) {
 
   // TODO: write code in this function body to pass the tests
-
+  if(val1 !== "Hello"){
+    return true
+  }else{
+    return false
+  }
 }
 
 // This function should return true if the string val1 is is longer
 // than string val2
 function isLongerThan (val1, val2) {
 
   // TODO: write code in this function body to pass the tests
-
+  if(val1.length > val2.length){
+    return true
+  }else{
+    return false
+  }
 }
 
 // This function should return true if the string passed in the function's first
@@ -26,16 +38,29 @@ function isLongerThan (val1, val2) {
 function hasOddNumberVowels (val1) {
 
   // TODO: write code in this function body to pass the tests
+    const vowels = ["a", "e", "i", "o", "u"]
+    let countVowels = 0
+    for( let i = 0; i < val1.length; i++){
+      if(vowels.includes(val1[i].toLowerCase())){
+        countVowels++
+      }
+    }
+    return Boolean(countVowels % 2)
+
+  }
 
-}
 
 // this function should return the middle character of a string if it has an odd number
 // of characters. If there are an even number of characters the function should return
 // the middle two letters
 
 function getMiddleLetter (val1) {
   // TODO: write code in this function body to pass the tests
-
+  if (val1.length % 2 === 0) {
+    return val1[val1.length / 2 - 1] + val1[val1.length / 2];
+  } else {
+    return val1[(val1.length + 1) / 2 - 1];
+  }
 }
 
 // This function should return the name of the season for the provided
@@ -50,6 +75,46 @@ function getMiddleLetter (val1) {
 function seasonForMonth (monthName) {
 
   // TODO: write code in this function body to pass the tests
+  let season = "";
+  switch (monthName) {
+    case "March":
+      season = "Spring";
+      break;
+    case "April":
+      season = "Spring";
+      break;
+    case "May":
+      season = "Spring";
+      break;
+    case "June":
+      season = "Summer";
+      break;
+    case "July":
+      season = "Summer";
+      break;
+    case "August":
+      season = "Summer";
+      break;
+    case "September":
+      season = "Autumn";
+      break;
+    case "October":
+      season = "Autumn";
+      break;
+    case "November":
+      season = "Autumn";
+      break;
+    case "December":
+      season = "Winter";
+      break;
+    case "January":
+      season = "Winter";
+      break;
+    case "February":
+      season = "Winter";
+      break;
+  }
+  return season;
 }
 
 module.exports = {

src/data-types/arrays/accessing-elements.js

@@ -4,18 +4,18 @@ const cities = ['London', 'Shanghai', 'New York', 'Delhi', 'Kuala Lumpur']
 // TODO: write code to pass the tests
 
 // Set names equal to an array containing 'Bob', 'Jane', 'Joanna' in that order
-const names = null
+const names = ["Bob", "Jane", "Joanna"]
 
 // Set fourthCity to the 4th element in the cities array
-const fourthCity = ''
+const fourthCity = cities[3]
 
 // Set firstCity to the 1st element in the cities array
-const firstCity = ''
+const firstCity = cities[0]
 
 // Set lengthOfCitiesArray to the length of the cities array
-const lengthOfCitiesArray = NaN
+const lengthOfCitiesArray = cities.length
 
-// Do not edit this exported object
+// Do not edit this exported object 
 module.exports = {
   a: names,
   b: fourthCity,

src/data-types/arrays/adding-removing-elements.js

@@ -10,25 +10,25 @@ const fruits = ['Apple', 'Orange', 'Pear']
 // TODO: write code to pass the tests
 
 // Edit this code to add 'Fred' to the names array
-names.push(undefined)
+names.push("Fred")
 
 // Edit this code to add 4 to the end of the numbers array
-numbers.push(NaN)
+numbers.push(4)
 
 // Edit this code to add 'Rio' to the start of the cities array
-cities.unshift(undefined)
+cities.unshift("Rio")
 
 // Use an array method to remove the first item from colours
-colours
+colours.shift("Red")
 
 // Use an array method to remove the last item from keys
-keys
+keys.pop()
 
 // Use an array method to remove 'Jordon' from the countries array
-countries.splice(NaN, NaN)
+countries.splice(1,1)
 
 // use an array method to remove the last item from the fruits array and store the value in the pear variable
-const pear = fruits.undefined
+const pear = fruits.pop()
 
 // Do not edit this exported object
 module.exports = {

src/data-types/numbers.js

@@ -6,23 +6,22 @@ const numThree = 32
 // TODO: Add code below using Javascript numeric operators so that the tests pass
 
 // Set this variable to numOne added to numTwo
-const numOnePlusNumTwo = NaN
+const numOnePlusNumTwo = numOne + numTwo
 
 // Set this variable to numThree multiplied by numTwo
-const numThreeTimesNumTwo = NaN
+const numThreeTimesNumTwo = numThree * numTwo
 
 // Set this variable to numThree divided by numOne
-const numThreeDividedByNumOne = NaN
+const numThreeDividedByNumOne = numThree / numOne
 
 // Set this variable to numThree minus numOne
-const numThreeMinusNumOne = NaN
+const numThreeMinusNumOne = numThree - numOne
 
 // Set this variable to the sum of numOne, numTwo and numThree
-const sum = NaN
+const sum = numOne + numTwo + numThree
 
 // Set this variable to the sum of (numOne, numTwo, numThree) divided by numOne
-const numBytes = NaN
-
+const numBytes = (numOne + numTwo + numThree) / numOne 
 // do not edit the exported object.
 module.exports = {
   a: numOnePlusNumTwo,

src/data-types/objects/creating-objects.js

@@ -1,7 +1,16 @@
 // TODO: write code in this section to pass the tests. You will need to add new code
 // as well as modify some of the existing code
-const person = null
-const computer = null
+const person = {
+  name: "Jane" ,
+  age: 32,
+}
+const computer = {
+  form: "laptop",
+  specs: {
+    memory : "16GB",
+    storage: "1TB"
+  }
+}
 
 // Do not edit this exported object
 module.exports = {

src/data-types/objects/object-keys.js

@@ -17,10 +17,20 @@ const isbn13 = '978-0132350884'
 // as well as modify some of the existing code
 
 // Set this to the book name
-const name = ''
+const name = book.name
 
 // Set this to the isbn 10 value
-const isbn10 = ''
+const isbn10 = book.isbn.isbn10
+
+book["category"] = "Programming"
+
+book["pages"] = 464;
+
+book.isbn["isbn13"] = '978-0132350884'
+
+delete book.dimensions;
+
+delete book.isbn.asin;
 
 // Do not edit this exported object
 module.exports = {

src/data-types/objects/objects-and-arrays.js

@@ -1,3 +1,5 @@
+const { b } = require("../arrays/adding-removing-elements")
+
 // do not modify this code
 const basket = {
   items: [
@@ -22,10 +24,19 @@ const basket = {
 // as well as modify some of the existing code
 
 // Set this variable to the length of the baskets voucher codes array
-const numberOfVoucherCodes = null
+const numberOfVoucherCodes = basket.voucherCodes.length
 
 // Set this variable to the first element in of the baskets voucher codes array
-const firstVoucherCode = null
+const firstVoucherCode = basket.voucherCodes[0]
+
+ basket.items[0].price = 2
+
+basket.items.push({
+  name: "Oranges",
+  price: 0.75,
+  quantity: 4
+})
+
 
 // Do not edit this exported object
 module.exports = {

src/data-types/strings.js

@@ -6,16 +6,16 @@ const secondName = 'Smith'
 // TODO: Update the code using Javascript string operations and the variables above so that the tests pass.
 
 // Set this variable to firstName and secondName concatenated
-const fullName = null
+const fullName = firstName + " " + secondName
 
 // Set this variable to the 10th character of the alphabet variable
-const tenthCharacterOfAlphabet = null
+const tenthCharacterOfAlphabet = alphabet[9]
 
 // Set this variable by calling a method on the alphabet variable to transform it to lower case
-const lowerCaseAlphabet = null
+const lowerCaseAlphabet = alphabet.toLowerCase()
 
 // Set this variable by using a property on the alphabet variable to get it's length
-const numberOfLettersInAlphabet = null
+const numberOfLettersInAlphabet = alphabet.length
 
 // do not edit the exported object.
 module.exports = {