const scores = [58, 76, 91, 84];
const students = [
  { name: "小周", finished: true },
  { name: "小林", finished: true },
  { name: "小陈", finished: false },
];

const scoreLabels = scores.map(function (score) {
  return `${score}分`;
});

const passedScores = scores.filter(function (score) {
  return score >= 60;
});

const totalScore = scores.reduce(function (total, score) {
  return total + score;
}, 0);

const topScore = scores.find(function (score) {
  return score >= 90;
});

const hasFailedScore = scores.some(function (score) {
  return score < 60;
});

const allFinished = students.every(function (student) {
  return student.finished === true;
});

console.log("带单位成绩：", scoreLabels);
console.log("及格成绩：", passedScores);
console.log("总分：", totalScore);
console.log("第一个 90 分以上：", topScore);
console.log("是否存在不及格：", hasFailedScore);
console.log("是否全部完成：", allFinished);