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HTML <button> form 属性

❮ HTML <button> 标签

示例

一个位于表单外部(但仍然是表单的一部分)的按钮

<form action="/action_page.php" method="get" id="form1">
<label for="fname">姓氏:</label>
<input type="text" id="fname" name="fname"><br><br>
<label for="lname">名字:</label>
<input type="text" id="lname" name="lname">
</form>

<button type="submit" form="form1" value="Submit">提交</button>
自己试试 »

定义和用法

form 属性指定按钮所属的表单。

此属性的值必须等于同一文档中 <form> 元素的 id 属性。


浏览器支持

表中的数字指定完全支持该属性的第一个浏览器版本。

属性
form 10.0 16.0 4.0 5.1 9.5

语法

<button form="form_id">

属性值

描述
form_id 指定 <button> 元素所属的表单元素。此属性的值必须是同一文档中 <form> 元素的 id 属性。

❮ HTML <button> 标签
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