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HTML <button> value 属性

❮ HTML <button> 标签

示例

两个具有相同名称的按钮,单击时提交不同的值

<form action="/action_page.php" method="get">
  选择你最喜欢的科目
  <button name="subject" type="submit" value="fav_HTML">HTML</button>
  <button name="subject" type="submit" value="fav_CSS">CSS</button>
</form>
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定义和用法

在 HTML 表单中,value 属性指定 <button> 的初始值。

注意: 在表单中,按钮及其值仅在使用按钮本身提交表单时才会提交。


浏览器支持

属性
value

注意: 如果您在 HTML 表单中使用 <button> 元素,Internet Explorer 8 之前的版本将提交 <button></button> 标签之间的文本,而其他浏览器将提交 value 属性的内容。


语法

<button value="value">

属性值

描述
value 按钮的初始值

❮ HTML <button> 标签
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