code added - n2a - static on movie and test

classes/Book.js

@@ -1,6 +1,31 @@
 // import the Media class:
-
+const Media = require('./classes/Media'); 
 // create your Book class:
 
+class Book extends Media{
+    constructor(title, author, year, genre, numPages, rating){
+        super(title, year, genre)
+        this.author = author
+        this.numPages = numPages
+        this.rating = rating
+    }
+
+    summary(){
+        return `Title: ${this.title}, Author: ${this.author}, Year: ${this.year}, Page Count: ${this.numPages}, Genre: ${this.genre}, Rating: ${this.rating}`
+    }
+
+    static highestRating(bookArray) {
+        if (bookArray.length === 0) return null;
+
+        let highestRatedBook = bookArray[0];
+        for (let i = 1; i < bookArray.length; i++) {
+            if (bookArray[i].rating > highestRatedBook.rating) {
+                highestRatedBook = bookArray[i];
+            }
+        }
+        return highestRatedBook;
+    }
+}
+
 // don't change below
 module.exports = Book;

classes/Media.js

@@ -1,4 +1,21 @@
 // create your Media class:
+//constructor houses the attributes
 
+class Media{
+    constructor(title, year, genre,){
+        this.title = title
+        this.year = year
+        this.genre = genre
+        Media.totalMediaCount++
+    }
+
+    //method always add () then {}
+    summary(){
+        return `Title: ${this.title}, Year: ${this.year}, Genre: ${this.genre}`
+    }
+}
+
+
+Media.totalMediaCount = 0;
 // uncomment below to export it:
 module.exports = Media;

classes/Movie.js

@@ -1,6 +1,23 @@
 // import the Media class:
-
+const Media = require('./Media')
 // create your Movie class:
 
-// don't change below
+
+
+class Movie extends Media{
+    constructor(title, year, genre,director, duration, rating){
+        super(title, year, genre)
+        this.director = director
+        this.duration = duration
+        this.rating = rating
+    }
+    summary(){
+
+        return `Title: ${this.title}, Director: ${this.director}, Year: ${this.year}, Genre: ${this.genre}, Duration: ${this.duration}, Rating: ${this.rating}`
+    }
+
+}
+
+
+//don't change below
 module.exports = Movie;

classes/Music.js

@@ -1,6 +1,30 @@
 // import the Media class:
-
+const Media = require('./classes/Media'); 
 // create your Music class:
 
+class Music extends Media{
+    constructor(title, year, genre,artist, length){
+        super(title, year, genre)
+        this.artist = artist
+        this.length = length
+    }
+
+    summary(){
+      return  `Title: ${this.title}, Artist: ${this.artist}, Year: ${this.year}, Genre: ${this.genre}, Length: ${this.length}`
+    }
+    static shortestAlbum(musicArray){
+        if(musicArray.length ===0) 
+            return null;
+
+        let shortestSong = musicArray[0]
+        for (let i = 1; i <musicArray.length; i++) {
+            shortestSong = musicArray[i]
+        }
+         return shortestSong
+    }
+
+
+}
+
 // don't change below
 module.exports = Music;

index.js

@@ -0,0 +1,28 @@
+const Media = require('./classes/Media');
+const Book = require('./classes/Book');
+const Movie = require('./classes/Movie');
+
+
+
+//media examples
+const book = new Media('The Catcher in the Rye', 1951, 'Fiction');
+Media.totalMediaCount; // 1
+const music = new Media('Abbey Road', 1969, 'Rock');
+Media.totalMediaCount; // 2
+music.summary(); // "Title: Abbey Road, Year: 1969, Genre: Rock"
+
+
+//book examples
+const book1 = new Book('To Kill a Mockingbird', 1960, 'Fiction', 'Harper Lee', 281, 4.4);
+Media.totalMediaCount; // 1
+const book2 = new Book('The Bluest Eye', 1970, 'Fiction', 'Toni Morrison', 206, 4.6);
+Media.totalMediaCount; // 2
+book1.summary(); // "Title: To Kill a Mockingbird, Author: Harper Lee, Year: 1960, Page Count: 281, Genre: Fiction, Rating: 4.4"
+Book.highestRating([book1, book2]); // Returns book2
+
+//movie examples
+const movie1 = new Movie('Inception', 2010, 'Sci-Fi', 'Christopher Nolan', 148, 4.5);
+const movie2 = new Movie('The Godfather', 1972, 'Crime', 'Francis Ford Coppola', 175, 4.7);
+Media.totalMediaCount; // 2
+movie1.summary(); // "Title: Inception, Director: Christopher Nolan, Year: 2010, Genre: Sci-Fi, Rating: 4.5"
+Movie.longestMovie([movie1, movie2]); // Returns movie2