easyUI 下拉框

<select id="changeId" name="changeName";class="easyui-combobox" panelHeight='auto' editable="false" data-options="onChange:changeValue"> <option value="是">是</option> <option value="否">否</option> </select> function changeValue(newStr,oldStr) { if("是"==newStr) { alert(1); } else { alert(2); } } 获取selected选中的值 var val = $("#changeId").combobox('getValue');