const findTheOldest = function(){ const people = [ { name: "Carly", yearOfBirth: 1942, yearOfDeath: 1970, }, { name: "Ray", yearOfBirth: 1962, yearOfDeath: 2011, }, { name: "Jane", yearOfBirth: 1912, yearOfDeath: 1941, }, ] const age = (x) => (x.yearOfDeath || new Date().getFullYear()) - x.yearOfBirth; const oldest = people.sort((a, b) => age(a) > age(b) ? -1 : 1 ); return oldest[0]; } // Do not edit below this line module.exports = findTheOldest;