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HTML autofocus 属性


定义和用法

The autofocus 属性是一个布尔属性。

如果存在,则指定元素在页面加载时应自动获得焦点。


适用于

The autofocus 属性可以在以下元素上使用

元素 属性
<button> autofocus
<input> autofocus
<select> autofocus
<textarea> autofocus

示例

按钮示例

带有 autofocus 的按钮

<button type="button" autofocus>单击我!</button>
自己尝试 »

输入示例

让“名字”输入框在页面加载时自动获得焦点

<form action="/action_page.php">
  姓名: <input type="text" name="fname" autofocus><br>
  姓氏: <input type="text" name="lname"><br>
  <input type="submit">
</form>
自己尝试 »

文本区域示例

带有 autofocus 的文本区域

<textarea autofocus>
在 w3schools.com 上,您将学习如何制作网站。我们提供所有 Web 开发技术的免费教程。
</textarea>
自己尝试 »

浏览器支持

The autofocus 属性对每个元素具有以下浏览器支持

元素
form 5.0 10.0 4.0 5.0 9.6
input 5.0 10.0 4.0 5.0 9.6
textarea 10.0 4.0

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