get span error status

Question

 i used this code for show text box error in span.

now i want return status - true or false  based on showing message

 

if ($('#Code-Id').val().trim() < 2) {

$('#Code-Id').siblings('span.error').css('visibility', 'visible');

}

else {

$('#Code-Id').siblings('span.error').css('visibility', 'hidden');

}