Answers for "javascript date given age"

javascript calculate age given date string

function getAge(dateString) {
   var ageInMilliseconds = new Date() - new Date(dateString);
   return Math.floor(ageInMilliseconds/1000/60/60/24/365); // convert to years
}
console.log(getAge('1997-04-23'));

javascript get age

function getAge(dateString) 
{
    var today = new Date();
    var birthDate = new Date(dateString);
    var age = today.getFullYear() - birthDate.getFullYear();
    var m = today.getMonth() - birthDate.getMonth();
    if (m < 0 || (m === 0 && today.getDate() < birthDate.getDate())) 
    {
        age--;
    }
    return age;
}