fluent-forms-birthdate-calc

fluent-forms-birthdate-calc.js

function calcAge($dob,$age){ 
    $dob.on('change', function() {
    var dobary = $(this).val().split('/');
    var dobobj = new Date(dobary[2], dobary[0]-1, dobary[1]), birthday = { year: dobobj.getFullYear(), month: dobobj.getMonth(), date: dobobj.getDate() };
    var todayobj = new Date(), thisyear = todayobj.getFullYear(); 
    var thisYearsBirthday = new Date(thisyear, birthday.month-1, birthday.date);
    var age = thisyear - birthday.year;
    if(todayobj < thisYearsBirthday){ age--; }
    $age.val(age);

  });
}

function bindEvents() { 
  var $dob1 = $form.find('#ff_3_date_of_birth');
  var $age1 = $form.find('#ff_3_age');
  calcAge($dob1,$age1);
}

bindEvents();