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HTML <menuitem> checked 属性

❮ HTML <menuitem> 标签

示例

一个预选的 <menuitem> 元素

<menu type="popup">
  <menuitem type="radio" radiogroup="alignment" checked
    label="Left" onclick="setAlign('left')">
</menu>

定义和用法

checked 属性是一个布尔属性。

如果存在,则指定 <menuitem> 元素在页面加载时应被选中(预选)。

注意:此属性只能在 type="checkbox" 或 type="radio" 时使用。


浏览器支持

表中的数字指定第一个完全支持该属性的浏览器版本。

属性
checked 不支持 不支持 不支持 不支持 不支持

语法

<menuitem checked>

❮ HTML <menuitem> 标签
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