array_expert_every.js

const champions = [
  {
    name: "Darius",
    level: 7,
  },
  {
    name: "Katarina",
    level: 12,
  },
  {
    name: "Swain",
    level: 9,
  }
];

const hasExpectedLevel = (expectedLevel) => (champion) => champion.level >= expectedLevel;
const hasUltimate = hasExpectedLevel(6);
const chamionsAllHaveUltimate = champions.every(hasUltimate) // true