var herbivora = new Array('kambing', 'sapi'); var karnivora = new Array('harimau', 'serigala'); var omnivora = new Array('ayam', 'monyet'); var binatang = new Array(herbivora, karnivora, omnivora); console.log('Jumlah isi Array `binatang`: '); console.log(binatang[0].length + binatang[1].length + binatang[2].length);