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HTML <option> selected 属性

❮ HTML <option> 标签

示例

一个带有预选选项的下拉列表

<label for="cars">选择一辆汽车:</label>

<select id="cars">
  <option value="volvo">沃尔沃</option>
  <option value="saab">萨博</option>
  <option value="vw">大众</option>
  <option value="audi" selected>奥迪</option>
</select>
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定义和用法

The selected 属性是一个布尔属性。

如果存在,则指定在页面加载时应预先选择一个选项。

预先选择的选项将首先显示在下拉列表中。

提示: The selected 属性也可以在页面加载后使用 JavaScript 设置。


浏览器支持

属性
selected

语法

<option selected>

❮ HTML <option> 标签
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