1
var checkRecord = function (s) {
2
  let absent = 0;
3
  let lates = 0;
4
  for (let i = 0; i < s.length; i++) {
5
    if (s[i] === "L") {
6
      lates++;
7
      if (lates > 2) return false;
8
    } else {
9
      lates = 0;
10
      if (s[i] === "A") {
11
        absent++;
12
        if (absent > 1) return false;
13
      }
14
    }
15
  }
16
  return true;
17
};