filter.js

const books = [
  {
    title: "Sebuah Seni Untuk Bersikap Bodo Amat",
    author: "Mark Manson"
  },
  {
    title: "Segala - galanya Ambyar",
    author: "Mark Manson"
  },
  {
    title: "Berani Bahagia",
    author: " Ichiro Kishimi dan Fumitake Koga"
  },
  {
    title: "Berani tidak disukai",
    author: " Ichiro Kishimi dan Fumitake Koga"
  }
];

var bukuMark = books.filter((books) => books.author === "Mark Manson");
console.log(bukuMark);