CodeYourFuture · Jade-Jones-dev · Aug 17, 2022 · Aug 17, 2022 · Aug 19, 2022 · Aug 19, 2022
diff --git a/.vscode/settings.json b/.vscode/settings.json
@@ -0,0 +1,2 @@
+{
+}
diff --git a/1-exercises/A-undefined/exercise.js b/1-exercises/A-undefined/exercise.js
@@ -19,18 +19,24 @@ function sayHello() {
     let message = "Hello";
 }
 
+// In the above example we wish to use the name that the user provides to greet them
+
 let hello = sayHello();
 console.log(hello);
 
+// in the above example we need the users name to to log the function
+
 
 // Example 3
 function sayHelloToUser(user) {
     console.log(`Hello ${user}`);
 }
 
 sayHelloToUser();
-
+//  the user needs to input username for the greeting Hello user to be printed
 
 // Example 4
 let arr = [1,2,3];
 console.log(arr[3]);
+
+// arr 3 is undefined as the array only currently goes to 2. Once the array another value is added to the array it will be printed in the terminal
diff --git a/1-exercises/B-while-loop/exercise.js b/1-exercises/B-while-loop/exercise.js
@@ -6,7 +6,16 @@
 */
 
 function evenNumbers(n) {
-    // TODO
+ let i = 0;
+ let arrayEven = [];
+ while (arrayEven.length < n) {
+    if (i % 2 === 0) {
+        arrayEven.push(i);
+    }
+    i++;
+ }
+return console.log(arrayEven.toString());
+
 }
 
 evenNumbers(3); // should output 0,2,4

diff --git a/1-exercises/C-while-loop-with-array/exercise.js b/1-exercises/C-while-loop-with-array/exercise.js
@@ -16,8 +16,15 @@ const BIRTHDAYS = [
     "November 15th"
 ];
 
+
 function findFirstJulyBDay(birthdays) {
-    // TODO
+    let i = 0;
+    while (i < birthdays.length){
+        if(birthdays[i].includes(`July`)){
+            return birthdays[i];
+        }
+        i++;
+    }
 }
 
 console.log(findFirstJulyBDay(BIRTHDAYS)); // should output "July 11th"
diff --git a/1-exercises/D-do-while/exercise.js b/1-exercises/D-do-while/exercise.js
@@ -5,9 +5,18 @@
 
     Using a do-while loop, write a function which returns the sum of the first n even numbers (starting from 0)
 */
-
+let i = 0;
+let total = 0;
+let evenSum = []
 function evenNumbersSum(n) {
-    // TODO
+    do{
+        if(i % 2 === 0){
+            evenSum.push(i);
+            total = total + i;
+        }
+        i ++;
+    } while (evenSum.length < n)
+    return total;
 }
 
 console.log(evenNumbersSum(3)); // should output 6

diff --git a/1-exercises/E-for-loop/exercise1.js b/1-exercises/E-for-loop/exercise1.js
@@ -7,7 +7,7 @@
 
 // Change the below code to use a for loop instead of a while loop.
 let i = 0;
-while(i < 26) {
+for( i = 0; i < 26; i + 1 ) {
     console.log(String.fromCharCode(97 + i));
     i++;
 }

diff --git a/1-exercises/E-for-loop/exercise2.js b/1-exercises/E-for-loop/exercise2.js
@@ -27,7 +27,9 @@ const AGES = [
 ];
 
 // TODO - Write for loop code here
-
+for(let i = 0; i < WRITERS.length; i++){
+    console.log(`${WRITERS[i]} is ${AGES[i]} years old`)
+}
 /*
 The output should look something like this:
 

diff --git a/1-exercises/F-for-of-loop/exercise.js b/1-exercises/F-for-of-loop/exercise.js
@@ -11,6 +11,14 @@ let tubeStations = [
     "Tottenham Court Road"
 ];
 
+for (const value of tubeStations) {
+    console.log(value);
+}
+
 
 // TODO Use a for-of loop to capitalise and output each letter in the string seperately.
 let str = "codeyourfuture";
+
+for (const letter of str) {
+    console.log(letter.toUpperCase())
+};
diff --git a/2-mandatory/1-weather-report.js b/2-mandatory/1-weather-report.js
@@ -12,9 +12,17 @@
 */
 
 function getTemperatureReport(cities) {
-    // TODO
+ // i need to create a new array to push the items to 
+   let reportArray =[];
+   for (const element of cities) {
+    if(temperatureService(element)){
+        reportArray.push(`The temperature in ${element} is ${temperatureService(element)} degrees`)
+    }
+   }return reportArray
 }
 
+
+
 
 /* ======= TESTS - DO NOT MODIFY ===== */
 

diff --git a/2-mandatory/2-retrying-random-numbers.js b/2-mandatory/2-retrying-random-numbers.js
@@ -10,7 +10,11 @@ function generateRandomNumber() {
 }
 
 function getRandomNumberGreaterThan50() {
-    // TODO - implement using a do-while loop
+    let i;
+ do {
+    i = generateRandomNumber();
+ } while (i <= 50);
+ return i;
 }
 
 /* ======= TESTS - DO NOT MODIFY ===== */

diff --git a/2-mandatory/3-financial-times.js b/2-mandatory/3-financial-times.js
@@ -4,8 +4,15 @@
     The home page of the web site has a headline section, which only has space for article titles which are 65 characters or less.
     Implement the function below, which will return a new array containing only article titles which will fit.
 */
-function potentialHeadlines(allArticleTitles) {
-    // TODO
+function potentialHeadlines(allArticleTitles) 
+{
+    let articleArray = [];
+    {
+        for (const element of allArticleTitles) {
+            if (element.length <= 65);
+        articleArray.push(element)
+       }
+    }return articleArray  
 }
 
 /*
@@ -14,7 +21,8 @@ function potentialHeadlines(allArticleTitles) {
     (you can assume words will always be seperated by a space)
 */
 function titleWithFewestWords(allArticleTitles) {
-    // TODO
+    let fewest = (a, b) => a.length <= b.length ? a : b;
+    return allArticleTitles.reduce(fewest);
 }
 
 /*
@@ -24,15 +32,28 @@ function titleWithFewestWords(allArticleTitles) {
 */
 function headlinesWithNumbers(allArticleTitles) {
     // TODO
+    {
+    let allArticleTitlesNew = []
+    for (const element of allArticleTitles) {
+      if (element.includes(Number)){
+        allArticleTitlesNew.push(element)
+      }
+return allArticleTitlesNew
+}
 }
 
 /*
     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 avNum = 0
+    for (const element of allArticleTitles) {
+        avNum += element.length;
+    }
+    let returnValue = avNum / allArticleTitles.length;
+    return Math.round(returnValue);
+}*/
 
 
 

diff --git a/2-mandatory/4-stocks.js b/2-mandatory/4-stocks.js
@@ -34,7 +34,20 @@ const CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS = [
         Functions can help with this!
 */
 function getAveragePrices(closingPricesForAllStocks) {
-    // TODO
+    let averageArray = [];
+    let averagePrice;
+
+    for (const array of closingPricesForAllStocks) {
+        let num = 0;
+        for (const number of array) {
+            num += number;
+        }
+
+        averagePrice = num / 5;
+        averageArray.push(parseFloat(averagePrice.toFixed(2)));
+    }
+    return averageArray;
+
 }
 
 /*
@@ -49,6 +62,12 @@ function getAveragePrices(closingPricesForAllStocks) {
 */
 function getPriceChanges(closingPricesForAllStocks) {
     // TODO
+    let priceChanges = [];
+    for (const array of closingPricesForAllStocks) {
+        let comparePrices = (array.at(0) - array.at(-1)) * -1 ;
+        priceChanges.push(parseFloat(comparePrices.toFixed(2)))
+    }
+    return priceChanges;
 }
 
 /*
@@ -65,6 +84,14 @@ function getPriceChanges(closingPricesForAllStocks) {
 */
 function highestPriceDescriptions(closingPricesForAllStocks, stocks) {
     // TODO
+    let closingPrice = [];
+    for( i = 0; i < stocks.length; i++){
+        let highestClosingPrice = Math.max(...closingPricesForAllStocks[i]);
+        let theHighPrice = highestClosingPrice.toFixed(2);
+        let theClosingPrice = `The highest price of ${stocks[i].toUpperCase()} in the last 5 days was ${theHighPrice}`;
+        closingPrice.push(theClosingPrice);
+    }
+    return closingPrice;
 }