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HTML <optgroup> 标签


示例

使用 <optgroup> 标签对相关选项进行分组

<label for="cars">选择一辆汽车:</label>
<select  name="cars" id="cars">
  <optgroup label="瑞典汽车">
    <option value="volvo">沃尔沃</option>
    <option value="saab">萨博</option>
  </optgroup>
  <optgroup label="德国汽车">
    <option value="mercedes">梅赛德斯</option>
    <option value="audi">奥迪</option>
  </optgroup>
</select>
自己尝试 »

定义和用法

The <optgroup> 标签用于在 <select> 元素(下拉列表)中对相关选项进行分组。

如果您有一个很长的选项列表,则对相关选项进行分组将更便于用户操作。


浏览器支持

元素
<optgroup>

属性

属性 描述
disabled disabled 指定选项组应被禁用
label 文本 指定选项组的标签

全局属性

The <optgroup> 标签还支持 HTML 中的全局属性


事件属性

The <optgroup> 标签还支持 HTML 中的事件属性


相关页面

HTML DOM 参考: OptionGroup 对象


默认 CSS 设置

无。


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