What is the sub tag in html? Introduction to the definition and use of html sub tags-HTML Tutorial-php.cn

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What is the sub tag in html? Introduction to the definition and use of html sub tags

寻∝梦

Aug 23, 2018 pm 01:41 PM

htmlsub

本篇文章关于html sub标签的定义和使用方法做了个大致的介绍，认真读完的应该能明白这个标签的具体用法，因为这个标签是和html sup标签一起使用才能更好，所以下一篇就将是关于sup标签的内容了，好了，下面开始看内容吧

html中sub标签的定义和用法：

_{标签可定义下标文本。}

包含在 _{标签和其结束标签} 中的内容将会以当前文本流中字符高度的一半来显示，但是与当前文本流中文字的字体和字号都是一样的。

提示：无论是 _{标签还是和它对应的 ^{标签，在数学等式、科学符号和化学公式中都非常有用。}}

HTML _标签实例

定义sub为下标文本：

<p>这个文本包含 <sub>下标</sub>文本。</p>

字体文本标签讲解标签

字体标签定义字体的显示效果，有些标签它有独自的语义。

<sub>感谢您对PHP中文网的支持</sub>

语义：定义在浏览器显示下标文本,一般用于化学式的书写

如水的化学式：H2O

实例源代码：





字体文本标签讲解<sub></sub>标签


字体文本标签讲解标签
字体标签定义字体的显示效果，有些标签它有独自的语义。


_标签
_{<sub>感谢您对PHP中文网的支持</sub>}
语义：定义在浏览器显示下标文本,一般用于化学式的书写
如水的化学式：H₂O

html中sub标签的语法结构：

<sub>下标</sub>

html中sub标签的代码实例：

<!DOCTYPE html>
<html>
<head>
<title>HTML 上标 下标实例</title>
</head>
<body>
水的化学式：H<sub>2</sub>O
</body>
</html>

浏览器支持

所有浏览器都支持 _标签。

HTML 4.01 与 HTML5之间的差异

无。

以上就是本篇文章关于html sub标签的介绍了，希望看完对大家有点用处。想看更多的标签知识，请看我的相关推荐，还有下一篇关于html sup标签的知识：

html sup和sub标签怎么用？html sup标签和sub标签的定义和用法实例

【小编的相关推荐】

html em标签的作用是什么？和标签的区别

html col标签是什么意思？html col标签的使用实例介绍

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