//Kennitalajs accepts all types of possible kt formats
var type1 = 2202863399; //Integer
var type2 = '2202863399' //String
var type3 = '220286-3399' //String with the widely used hyphen

// I do however reccommend storing the kennitala in a string format since integers cant start with a zero

var kennitala = new Kennitala(2202863399);
//kennitala returns:
{
    valid: true, //<----------- Tells us if the kennitala is valid
    type: 'person', //<-------- Tells us if kennitala belongs to a person or a company
    age: 22, //<--------------- The person/company age in years
    msAge: 694383374545, //<--- Time in milliseconds since birth/company was founded
    birthdayToday: true, //<--- Tells us if the person/company has a birthday today
    kt: 2202863399 //<--------- The kennitala as a integer
};

var kennitala = new Kennitala('521110-0660');
//kennitala returns:
{
    valid: true,
    type: 'company',
    age: 5,
    msAge: 174515150922,
    birthdayToday: true,
    kt: 5211100660
};

var kennitala = new Kennitala(22028633);

//kennitala returns:
{
    valid: false,
    reason: 'Kennitala is too short',
    errorCode: 1
};

var kennitala = new Kennitala(3202863399);

kennitala returns:
{
    valid: false,
    reason: 'Birthdate is out of range (digits 1 and 2)',
    errorCode: 2
};

var kennitala = new Kennitala(2222863399);
//kennitala returns:
{
    valid: false,
    reason: 'Month digits are out of range (digits 3 and 4)',
    errorCode: 3
};

var kennitala = new Kennitala(2202863349);
//kennitala returns:
{
  valid: false,
    reason: 'Digit 9 is not valid. Read about "Níundi stafurinn" here: https://is.wikipedia.org/wiki/Kennitala',
    errorCode: 4
};

// 
var kennitala = new Kennitala(2202863393);

//kennitala returns:
{
    valid: false,
    reason: 'Century digit out of range (digit 10)',
    errorCode: 5
};