删除已渲染select标签的值

var removeSaleTypeEnumIs2 = function(){

    var sel = document.getElementById('saleType');
    sel.remove(sel.selectedIndex + 1);

};

<label class="control-label col-sm-2" for="saleType"><span style="color: red;">*</span>销售方式:</label>
<div class="col-sm-2">
    <select id="saleType" name="saleType" class="form-control"  >
        <option value="">请选择</option>
        <option th:each="item,itemStat : ${saleTypeEnumList}" th:value="${item.code}" th:text="${item.name}" ></option>
    </select>
</div>