Code Example

          
            function addFavoriteBook (bookName) {
              const condition = bookName.includes("Great");
              if (!condition) {
                favoriteBooks.push(bookName);
              } else {
                return [];
              }
            }
            function printFavoriteBooks () {
              console.log(`Favorite Books: ${favoriteBooks.length}`);
              for (let favoriteBook of favoriteBooks) {
                console.log(favoriteBook);
              }
            }
            let favoriteBooks = [];
            addFavoriteBook("A Song of Ice and Fire");
            addFavoriteBook("The Great Gatsby");
            addFavoriteBook("Crime and Punishment");
            printFavoriteBooks();