Code for multi tickboxes & dynamic adresses

<script>

// by default, hide the address fields

$(document).ready(function() {
$('input[name=address1]').closest('div[id*=formElement]').hide();
  $('input[name=address2]').closest('div[id*=formElement]').hide();
  $('input[name=city]').closest('div[id*=formElement]').hide();
   $('input[name=zipPostal]').closest('div[id*=formElement]').hide();
   $('select[name=country]').closest('div[id*=formElement]').hide();
});

// show the address fields when one of the checkboxes is checked

$(document).on('change', 'input[name*=tickbox]', function(){

  var tickboxChecked=$('input[name*=tickbox]:checked').length;
 // console.log(tickboxChecked);

  if(tickboxChecked>0){
    $('input[name=address1]').closest('div[id*=formElement]').show();
     $('input[name=address2]').closest('div[id*=formElement]').show();
     $('input[name=city]').closest('div[id*=formElement]').show();
    $('input[name=zipPostal]').closest('div[id*=formElement]').show();
    $('select[name=country]').closest('div[id*=formElement]').show();

  }
  // else hide the address fields if none of the checkboxes are checked
  else if (tickboxChecked==0) {

  $('input[name=address1]').closest('div[id*=formElement]').hide();
     $('input[name=address2]').closest('div[id*=formElement]').hide();
     $('input[name=city]').closest('div[id*=formElement]').hide();
    $('input[name=zipPostal]').closest('div[id*=formElement]').hide();
    $('select[name=country]').closest('div[id*=formElement]').hide();

  }
});
</script>