function formatItem (s, e) {
    if (e.dataItem.input) {
      let input = wjCore.createElement('<input type="text"/>');
      input.addEventListener("click", clickListener);
      e.element.appendChild(input);
    } else if (e.dataItem.button) {
      let btn = wjCore.createElement("<button onclick='alert('')'>버튼</button>");
      btn.addEventListener("click", clickListener);
      e.element.appendChild(btn);
    } else if (e.dataItem.select) {
      let select = wjCore.createElement(
        '<select name="job"><option value="">리스트박스</option><option value="옵션1">옵션1</option><option value="옵션2">옵션2</option><option value="옵션3">옵션3</option></select>'
      );
      select.addEventListener("click", clickListener);
      e.element.appendChild(select);
    }
  };

  function clickListener(e) {
    e.stopPropagation();
  }