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HTML selected 属性


定义和用法

The selected 属性是一个布尔属性。

当存在时,它指定选项在页面加载时应预先选中。

预先选中的选项将首先显示在下拉列表中。

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


适用于

The selected 属性可用于以下元素

元素 属性
<option> selected

示例

一个具有预先选定选项的下拉列表

<select>
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="vw">VW</option>
  <option value="audi" selected>Audi</option>
</select>
自己尝试 »

浏览器支持

属性
selected

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