Change Content - Javascript

Change html element content using pure javascript author(s): Deepu Mohan Puthrote (WarFox)

JavaScript

const calculateAge = (birthday) => {
  const ageDifMs = Date.now() - new Date(birthday).getTime();
  const ageDate = new Date(ageDifMs);
  return Math.abs(ageDate.getUTCFullYear() - 1970);
}

console.log(calculateAge('1999-11-23'))