HTML Form表单元素全面了解

2020-04-16 21:20:33易采站长站整理

                    </select>  
                </td>  
            </tr>  
            <tr>  
                <td align="right">城市所在区域:</td>  
                <td>  
                    <select name="area">            
                        <optgroup label="北京">                                <!–下拉框分组显示–>  
                            <option value="朝阳区">朝阳区</option>  
                            <option value="海淀区">海淀区</option>  
                            <option value="其他区">其他区</option>  
                        </optgroup>  
                        <optgroup label="南昌">  
                            <option value="东湖区">东湖区</option>  
                            <option value="西湖区">西湖区</option>