在JavaScript中对JSON数据执行聚合。我必须获取每个学校的记录总数和学校记录的总分数

var jsonData = '[{"school": "School A", "score": 80}, {"school": "School B", "score": 90}, {"school": "School A", "score": 70}]';
var data = JSON.parse(jsonData);

var schoolData = {};

data.forEach(function(record) {
  var school = record.school;
  var score = record.score;

  if (schoolData.hasOwnProperty(school)) {
    schoolData[school].count++;
    schoolData[school].totalScore += score;
  } else {
    schoolData[school] = {
      count: 1,
      totalScore: score
    };
  }
});

// 输出每个学校的记录总数和总分数
for (var school in schoolData) {
  if (schoolData.hasOwnProperty(school)) {
    console.log("学校：" + school);
    console.log("记录总数：" + schoolData[school].count);
    console.log("总分数：" + schoolData[school].totalScore);
    console.log("--------------------");
  }
}