London10-Onur-Atas-JavaScript-Core-1-Coursework-Week3

2-mandatory/1-weather-report.js

@@ -12,7 +12,13 @@
 */
 
 function getTemperatureReport(cities) {
-    // TODO
+   var temparatureInCities = [];
+
+ for  (let i = 0; i < cities.length; i++) {
+    let temparature = temperatureService(cities[i])
+     temparatureInCities.push(`The temperature in ${cities[i]} is ${temparature} degrees`)
+ } 
+ return temparatureInCities;
 }
 
 

2-mandatory/2-financial-times.js

@@ -5,37 +5,67 @@
     Implement the function below, which will return a new array containing only article titles which will fit.
 */
 function potentialHeadlines(allArticleTitles) {
-    // TODO
-}
+    var articleTitles = [];
+
+    for (let i = 0; i < allArticleTitles.length; i++) {
+      const eachTitle = allArticleTitles[i];
+      if (eachTitle.length <= 65) {
+        articleTitles.push(eachTitle);
+      }
+    }
+
+    return articleTitles;
+  }
+
+
+
 
 /*
     The editor of the FT likes short headlines with only a few words!
     Implement the function below, which returns the title with the fewest words.
     (you can assume words will always be seperated by a space)
 */
-function titleWithFewestWords(allArticleTitles) {
-    // TODO
-}
+function titleWithFewestWords(allArticleTitles){
+    var articleTitles = []
+
+    var lowest = Infinity;
+    var articleTitleWords;
+
+    for (var i = 0; i < allArticleTitles.length; i++) {
+      var words = allArticleTitles[i].split(" ");
+      if (words.length < lowest) {
+        lowest = words.length;
+        articleTitleWords = allArticleTitles[i];
+      }
+    }
+
+    return articleTitleWords;
+  }
 
 /*
     The editor of the FT has realised that headlines which have numbers in them get more clicks!
     Implement the function below to return a new array containing all the headlines which contain a number.
     (Hint: remember that you can also loop through the characters of a string if you need to)
 */
 function headlinesWithNumbers(allArticleTitles) {
-    // TODO
+  const regex = /\d+/; 
+  return allArticleTitles.filter(title => regex.test(title));
 }
 
+
 /*
     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
+  const articleLength = allArticleTitles.reduce((acc, articleTitle) => acc + articleTitle.length, 0);
+  const averageLength = articleLength / allArticleTitles.length;
+  return Math.round(averageLength);
 }
 
 
 
+
 /* ======= List of Articles - DO NOT MODIFY ===== */
 const ARTICLE_TITLES = [
     "Streaming wars drive media groups to spend more than $100bn on new content",

2-mandatory/3-stocks.js

@@ -34,8 +34,23 @@ const CLOSING_PRICES_LAST_5_DAYS_FOR_ALL_STOCKS = [
         Functions can help with this!
 */
 function getAveragePrices(closingPricesForAllStocks) {
-    // TODO
-}
+
+        const averageStocks = closingPricesForAllStocks.length;
+        const lastDays = closingPricesForAllStocks[0].length;
+        const averages = [];
+
+        for (let i = 0; i < averageStocks; i++) {
+          let sum = 0;
+          for (let j = 0; j < lastDays; j++) {
+            sum += closingPricesForAllStocks[i][j];
+          }
+          const average = sum / lastDays;
+          averages.push(parseFloat(average.toFixed(2)));
+        }
+
+        return averages;
+      }
+
 
 /*
     We also want to see what the change in price is from the first day to the last day for each stock.
@@ -48,9 +63,19 @@ function getAveragePrices(closingPricesForAllStocks) {
     The price change value should be rounded to 2 decimal places, and should be a number (not a string)
 */
 function getPriceChanges(closingPricesForAllStocks) {
-    // TODO
-}
 
+        const averageStocks = closingPricesForAllStocks.length;
+        const changesInPrice = [];
+
+        for (let i = 0; i < averageStocks; i++) {
+          const firstDayPrice = closingPricesForAllStocks[i][0];
+          const lastDayPrice = closingPricesForAllStocks[i][closingPricesForAllStocks[i].length - 1];
+          const priceChange = parseFloat((lastDayPrice - firstDayPrice).toFixed(2));
+          changesInPrice.push(priceChange);
+        }
+
+        return changesInPrice;
+      }
 /*
     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
@@ -64,8 +89,18 @@ function getPriceChanges(closingPricesForAllStocks) {
     The price should be shown with exactly 2 decimal places.
 */
 function highestPriceDescriptions(closingPricesForAllStocks, stocks) {
-    // TODO
-}
+    const highestPrices = [];
+
+    for (let i = 0; i < stocks.length; i++) {
+      const stockPrices = closingPricesForAllStocks[i];
+      const highestPrice = Math.max(...stockPrices).toFixed(2);
+      const stockName = stocks[i].toUpperCase();
+      highestPrices.push(`The highest price of ${stockName} in the last 5 days was ${highestPrice}`);
+    }
+
+    return highestPrices;
+  }
+
 
 
 /* ======= TESTS - DO NOT MODIFY ===== */