Menu
×
   ❮     
HTML CSS JAVASCRIPT SQL PYTHON JAVA PHP HOW TO W3.CSS C C++ C# BOOTSTRAP REACT MYSQL JQUERY EXCEL XML DJANGO NUMPY PANDAS NODEJS R TYPESCRIPT ANGULAR GIT POSTGRESQL MONGODB ASP AI GO KOTLIN SASS VUE DSA GEN AI SCIPY AWS CYBERSECURITY DATA SCIENCE
     ❯   

HTML <output> 属性

❮ HTML <output> 标签

示例

执行计算并将结果显示在 <output> 元素中

<form oninput="x.value=parseInt(a.value)+parseInt(b.value)">
  <input type="range" id="a" value="50">
  +<input type="number" id="b" value="25">
  =<output name="x" for="a b"></output>
</form>
自己试试 »

定义和用法

The for 属性指定计算结果与计算中使用的元素之间的关系。


浏览器支持

表格中的数字指定完全支持该属性的第一个浏览器版本。

属性
for 10.0 13.0 4.0 7.0  11.5

语法

<output for="element_id">

属性值

描述
element_id 指定一个或多个元素的 id 的空格分隔列表,这些元素指定计算结果与计算中使用的元素之间的关系

❮ HTML <output> 标签
×

Contact Sales

If you want to use W3Schools services as an educational institution, team or enterprise, send us an e-mail:
[email protected]

Report Error

If you want to report an error, or if you want to make a suggestion, send us an e-mail:
[email protected]

W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using W3Schools, you agree to have read and accepted our terms of use, cookie and privacy policy.

Copyright 1999-2024 by Refsnes Data. All Rights Reserved. W3Schools is Powered by W3.CSS.