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In HTML, you can use the tag and tag to display the superscript and subscript of text.
This article will introduce to you the tag and the tag, so that everyone can have a simple understanding of the tag and the tag. Know that the tag, I hope it will be helpful to you. [Video tutorial recommendation: HTML tutorial]
##HTML Tag
The tag is used to define superscript text. Let’s take a look at how the tag is used through a simple code example:<p>这是一段测试文本,包含<sup>上标</sup></p>Rendering: It can be seen that the content contained in will be displayed at half the height of the characters in the current text stream, that is, it will be displayed at half the height of the characters; but will not Will change the font of the included content. The tag can be used in combination with the tag to create a good hyperlink footnote, for example:
<p>PHP中文网<sup>【<a href="http://www.php.cn/">详情</a>】</sup></p>Rendering:
HTML tag
tag is used to define subscript text. Let’s take a look at how the tag is used through a simple code example:<p>这是一段测试文本,包含<sub>下标</sub></p>Rendering: Similar to the tag, the content in will be displayed at half the character height in the current text stream and will be displayed lower than half the character height; but will not Will change the font of the included content.
Note:
Whether it is the tag or the tag, it can be used in mathematical equations and scientific symbols. and chemical formulas, and are very useful. Example:<h3>在数学表达式中使用sup标签</h3> <p>5<sup>2</sup> + 3<sup>3</sup> = 52</p> <h3>在数学表达式中使用sub标签</h3> <p> y<sub>1</sub>=20<br> y<sub>2</sub>=3<br> y<sub>1</sub> - y<sub>2</sub> = 17 </p>Rendering: Summary: The above is the entire content of this article, I hope it will be helpful to everyone's study.
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