<script type="text/javascript" charset="utf-8">  
  $(document).on('ready pjax:scriptcomplete',function(){
    var thisQuestion = $('#question{QID}');
 
    // Hide the textarea
    $('.answer-item textarea', thisQuestion).hide();
 
    // Insert short text input
    $('.answer-item', thisQuestion).append('<input class="form-control inserted-input" type="text">');
    $('.inserted-input', thisQuestion).val($('.answer-item textarea:eq(0)', thisQuestion).val());
 
    // Listener on inserted input
    $('.inserted-input', thisQuestion).on('keyup change', function(i) {
      $('.answer-item textarea', thisQuestion).val($(this).val()).trigger('change');
    });
  });
</script>