ObjC.import("AddressBook");
meRecord = $.ABAddressBook.sharedAddressBook.me

function getNormalizedLabel(element){
    return $.ABLocalizedPropertyOrLabel(element)
}

emails = meRecord.valueForProperty($.kABEmailProperty)


// returns the email labeled as Home in your Contacts.app record
for (var i = 0; i < emails.count; i++){
    if ($.CFEqual(emails.labelAtIndex(i), $.kABHomeLabel)){
        emails.valueAtIndex(i)
    }
}