Finished iterations 1-5

src/movies.js

@@ -46,10 +46,28 @@ function dramaMoviesScore(moviesArray) {
 };
 
 // Iteration 5: Ordering by year - Order by year, ascending (in growing order)
-function orderByYear(moviesArray) {}
+function orderByYear(moviesArray) {
+    const sortedMoviesArr = moviesArray.slice();
+
+    sortedMoviesArr.sort((a,b) => {
+        if(a.year === b.year) {
+        return a.title.localeCompare(b.title)
+        } else {
+        return a.year - b.year;}
+    });
+    return sortedMoviesArr;
+};
 
 // Iteration 6: Alphabetic Order - Order by title and print the first 20 titles
-function orderAlphabetically(moviesArray) {}
+function orderAlphabetically(moviesArray) {
+    const twentyTitlesArray = moviesArray.slice();
+
+    const sortedArray = twentyTitlesArray.sort((a,b) => a.title.localeCompare(b.title)); 
+    const sortedTitleArray = sortedArray.map((movieObj) => movieObj.title);
+    const shorterTitleArray = sortedTitleArray.slice(0,20);
+
+    return shorterTitleArray;
+};
 
 // BONUS - Iteration 7: Time Format - Turn duration of the movies from hours to minutes
 function turnHoursToMinutes(moviesArray) {}