Ordenando um array com sort

sort_players.js

const players = [
  { name: 'Rodrigo', kills: 12 }, 
  { name: 'Vitor', kills: 9 }, 
  { name: 'Camila', kills: 17 }, 
  { name: 'Amanda', kills: 6 }
];

const orderAsc = (a, b) => a.kills - b.kills;
const orderDesc = (a, b) => b.kills - a.kills;

console.log(players.sort(orderAsc));
console.log(players.sort(orderDesc));