const me = new Date('1990-07-05');
const you = new Date('1993-01-05');
const avg = new Date((me.getTime() + you.getTime()) / 2);
console.log(avg.toDateString());
Y29uc3QgbWUgPSBuZXcgRGF0ZSgnMTk5MC0wNy0wNScpOwpjb25zdCB5b3UgPSBuZXcgRGF0ZSgnMTk5My0wMS0wNScpOwpjb25zdCBhdmcgPSBuZXcgRGF0ZSgobWUuZ2V0VGltZSgpICsgeW91LmdldFRpbWUoKSkgLyAyKTsKCmNvbnNvbGUubG9nKGF2Zy50b0RhdGVTdHJpbmcoKSk7IA==