CodeYourFuture · tiritaki · Dec 2, 2022 · Dec 4, 2022 · Dec 4, 2022 · Dec 5, 2022
diff --git a/2-mandatory/1-weather-report.js b/2-mandatory/1-weather-report.js
@@ -12,7 +12,11 @@
 */
 
 function getTemperatureReport(cities) {
-    // TODO
+    // let report = []
+    // for (i in cities){
+    //     report.push(`The temperature in ${cities[i]} is ${temperatureService(cities[i])} degrees`)
+    // }
+    return cities.map(x=>`The temperature in ${x} is ${temperatureService(x)} degrees`)
 }
 
 

diff --git a/2-mandatory/2-retrying-random-numbers.js b/2-mandatory/2-retrying-random-numbers.js
@@ -11,6 +11,11 @@ function generateRandomNumber() {
 
 function getRandomNumberGreaterThan50() {
     // TODO - implement using a do-while loop
+    let randNum = generateRandomNumber()
+     do {
+     randNum = generateRandomNumber() ;
+}  while (randNum <= 50);
+return randNum
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */

diff --git a/2-mandatory/3-financial-times.js b/2-mandatory/3-financial-times.js
@@ -5,7 +5,7 @@
     Implement the function below, which will return a new array containing only article titles which will fit.
 */
 function potentialHeadlines(allArticleTitles) {
-    // TODO
+    return allArticleTitles.filter(x=>x.length<=65)
 }
 
 /*
@@ -14,7 +14,16 @@ function potentialHeadlines(allArticleTitles) {
     (you can assume words will always be seperated by a space)
 */
 function titleWithFewestWords(allArticleTitles) {
-    // TODO
+    let myMin;
+    let myStr = ''
+    for (i in allArticleTitles){
+        myMin = myMin || allArticleTitles[i].length
+        if (allArticleTitles[i].length < myMin){
+            myMin = allArticleTitles[i].length
+            myStr = allArticleTitles[i]
+        }
+    }
+    return myStr
 }
 
 /*
@@ -23,15 +32,17 @@ function titleWithFewestWords(allArticleTitles) {
     (Hint: remember that you can also loop through the characters of a string if you need to)
 */
 function headlinesWithNumbers(allArticleTitles) {
-    // TODO
+    return allArticleTitles.filter(x=>x.match(/\d+/g))
 }
 
 /*
     The Financial Times wants to understand what the average number of characters in an article title is.
     Implement the function below to return this number - rounded to the nearest integer.
 */
 function averageNumberOfCharacters(allArticleTitles) {
-    // TODO
+
+    // let sumOfChar = allArticleTitles.map(x=>x.length)
+    return Math.round(allArticleTitles.reduce(function(a, b) { return a + b.length }, 0)/allArticleTitles.length)
 }
 
 

diff --git a/2-mandatory/4-stocks.js b/2-mandatory/4-stocks.js
@@ -34,9 +34,12 @@ const CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS = [
         Functions can help with this!
 */
 function getAveragePrices(closingPricesForAllStocks) {
-    // TODO
+    let averArr = []
+    for ( let i of closingPricesForAllStocks){
+        averArr.push(Number((i.reduce((accumulator, value) => {return accumulator + value})/i.length).toFixed(2)))
+    }
+    return averArr
 }
-
 /*
     We also want to see what the change in price is from the first day to the last day for each stock.
     Implement the below function, which
@@ -47,10 +50,20 @@ function getAveragePrices(closingPricesForAllStocks) {
                 (Apple's price on the 5th day) - (Apple's price on the 1st day) = 172.99 - 179.19 = -6.2
     The price change value should be rounded to 2 decimal places, and should be a number (not a string)
 */
-function getPriceChanges(closingPricesForAllStocks) {
-    // TODO
-}
-
+function calculateChange (prices){
+    return (prices[prices.length-1]-prices[0]).toFixed(2)
+ }
+
+ function getPriceChanges(closingPricesForAllStocks) {
+    //  let changArr = []
+    //  for ( let i of closingPricesForAllStocks){
+    //      let change = calculateChange(i)
+    //      changArr.push(Number(change))
+    //  }
+    //  return changArr 
+     return closingPricesForAllStocks.map(x=>Number(calculateChange(x)))
+ }
+
 /*
     As part of a financial report, we want to see what the highest price was for each stock in the last 5 days.
     Implement the below function, which
@@ -64,10 +77,13 @@ function getPriceChanges(closingPricesForAllStocks) {
     The price should be shown with exactly 2 decimal places.
 */
 function highestPriceDescriptions(closingPricesForAllStocks, stocks) {
-    // TODO
+    let myarr = []
+    for (let i in closingPricesForAllStocks){
+        myarr.push(`The highest price of ${stocks[i].toUpperCase()} in the last 5 days was ${Math.max(...closingPricesForAllStocks[i]).toFixed(2)}`)
+    }
+    return myarr
 }
 
-
 /* ======= TESTS - DO NOT MODIFY ===== */
 test("should return the average price for each stock", () => {
     expect(getAveragePrices(CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS)).toEqual(

diff --git a/3-extra/1-factorial.js b/3-extra/1-factorial.js
@@ -9,7 +9,11 @@
 */
 
 function factorial(input) {
-    // TODO
+    let factor = 1
+    for (let i = 1; i<=input; i++ ){
+    factor *=i
+ }
+    return factor
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */

diff --git a/3-extra/2-array-of-objects.js b/3-extra/2-array-of-objects.js
@@ -11,7 +11,31 @@
 */
 
 function getHighestRatedInEachGenre(books) {
-    // TODO
+    let maxChil = 0;
+    let nameChil = ''
+    let myarr = []
+    let maxNon = 0;
+    let nameNon = ''
+    let maxCook = 0;
+    let nameCook = ''
+    for (const i in books){
+        if (books[i].rating > maxChil && books[i].genre=="children"){
+            maxChil = books[i].rating
+            nameChil = books[i].title
+        }
+
+        if (books[i].rating > maxNon && books[i].genre=="non-fiction"){
+            maxNon = books[i].rating
+            nameNon = books[i].title
+        }
+
+        if (books[i].rating > maxCook  && books[i].genre=="cooking"){
+            maxCook  = books[i].rating
+            nameCook = books[i].title
+        }
+
+    }
+    return [nameChil, nameNon, nameCook]
 }
 
 

diff --git a/3-extra/3-fibonacci.js b/3-extra/3-fibonacci.js
@@ -14,8 +14,14 @@
 */
 
 function generateFibonacciSequence(n) {
-    // TODO
-}
+    let fibSec = [0,1]
+    let summa = 0
+    for (let i = 0; i<n-2; i++){
+     summa=fibSec[i]+fibSec[i+1]
+     fibSec.push(summa)
+    }
+    return fibSec
+ }
 
 /* ======= TESTS - DO NOT MODIFY ===== */
 test("should return the first 10 numbers in the Fibonacci Sequence", () => {