const books = [ { title: 'The Da Vinci Code', author: 'Dan Brown', sales: 5094805 }, { title: 'The Ghost', author: 'Robert Harris', sales: 807311 }, { title: 'White Teeth', author: 'Zadie Smith', sales: 815586 }, { title: 'Fifty Shades of Grey', author: 'E. L. James', sales: 3758936 }, { title: 'Jamie\'s Italy', author: 'Jamie Oliver', sales: 906968 }, { title: 'I Can Make You Thin', author: 'Paul McKenna', sales: 905086 }, { title: 'Harry Potter and the Deathly Hallows', author: 'J.K Rowling', sales: 4475152 }, ]; let greatAuthors = books.filter((books) => books.sales > 1000000).map((book) => `${book.author} adalah penulis buku ${book.title} yang sangat hebat!`); console.log(greatAuthors);