medium_breakingScore.js

function breakingRecords(scores) {
  let min = scores[0];
  let max = scores[0];
  var minCount = 0;
  var maxCount = 0;

  for (var i = 1; i < scores.length; i += 1) {
    if (scores[i] > max) {
      max = scores[i];
      maxCount += 1;
    }
    if (scores[i] < min) {
      min = scores[i];
      minCount += 1;
    }
  }

  return [maxCount, minCount];
}