Codecademy export

app.js

class Media {
    Constructor(title) {
        this._title = title;
        this._isCheckedOut = false;
        this._ratings = [];
    }
    get title() {
        return this._title;
    }
    get isCheckedOut() {
        return this._isCheckedOut;
    }
    get ratings() {
        return this._ratings;
    }
    set isCheckedOut(check) {
        this._isCheckedOut = check;
    }
    toggleCheckOutStatus() {
        this.isCheckedOut = !this.isCheckedOut;
    }
    getAverageRating() {
        const total = this.ratings.reduce((acc, rating) => acc + rating);
        const ratingLength = this.ratings.length();
        const average = total / ratingLength;
        return average;
    }
    addRating(value) {
        this.ratings.push(value);
    }
}
class Book extends Media {
    constructor(author, title, pages) {
        super(title);
        this._author = author;
        this._pages, pages;
    }
    get author() {
        return this._author;
    }
    get pages() {
        return this._pages;
    }
}
class Movie extends Media {
    constructor(director, title, runTime) {
        super(title);
        this._director = director;
        this._runTime = runTime;
    }
    get director() {
        return this._director;
    }
    get runTime() {
        return this._runTime;
    }
}
const historyOfEverything = new Book('Bill Bryson', 'A Short History of Nearly Everything', 544);
historyOfEverything.toggleCheckOutStatus();
console.log(historyOfEverything.isCheckedOut);
historyOfEverything.addRating(4);
historyOfEverything.addRating(5);
historyOfEverything.addRating(5);
console.log(historyOfEverything.getAverageRating());
const speed = new Movie('Jan de Bont', 'Speed', 116);
speed.toggleCheckOutStatus;
console.log(speed.isCheckedOut);
speed.addRating(1);
speed.addRating(1);
speed.addRating(5);
console.log(speed.getAverageRating())