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HTML <select> size 属性

❮ HTML <select> 标签

示例

一个带有三个可见选项的下拉列表

<label for="cars">选择一辆车:</label>

<select name="cars" id="cars" size="3">
  <option value="volvo">沃尔沃</option>
  <option value="saab">萨博</option>
  <option value="opel">欧宝</option>
  <option value="audi">奥迪</option>
</select>
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定义和用法

The size 属性指定下拉列表中可见选项的数量。

如果 size 属性的值大于 1,但小于列表中选项的总数,浏览器将添加一个滚动条以指示还有更多选项可供查看。


浏览器支持

属性
size

注意:在 Chrome 和 Safari 中,此属性可能无法按预期的方式为 size="2"size="3" 工作。


语法

<select size="number">

属性值

描述
number 下拉列表中可见选项的数量。默认值为 1。如果存在 multiple 属性,则默认值为 4。

❮ HTML <select> 标签
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