function validation() {
if ($('[name="imie"]').val().length >= 3 && $('[name="nazwisko"]').val().length >= 3 && $('[name="rok_urodzenia"]').val() < year && $('[name="rok_urodzenia"]').val() > 1900) {
if ($('[type="submit"]').is('[disabled]')) {
$('[type="submit"]').removeAttr('disabled');
}
}
//imie
if ($('[name="imie"]').val().length <= 3) {
$('.error1').text('imię jest za krótkie');
}
else if ($('[name="imie"]').val().length >= 3) {
$('.error1').text(' ');
}
//nazwisko
if ($('[name="nazwisko"]').val().length <= 3) {
$('.error2').text('nazwisko jest za krótkie');
}
else if ($('[name="nazwisko"]').val().length >= 3) {
$('.error2').text(' ');
}
//rol
if ($('[name="rok_urodzenia"]').val() < year && $('[name="rok_urodzenia"]').val() > 1900) {
$('.error3').text(' ');
}
else {
$('.error3').text('podaj poprawny rok urodzenia');
}
}
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