HTML superscript <sup> and subscript <sub> tag elements-HTML Tutorial-php.cn

HTML superscript ^{and subscript _{tag elements}}

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Release： 2019-10-12 16:09:48

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HTML superscript <sup> and subscript <sub> tag elements

Html superscript: ^{Floating content}

^{tag Definable superscript text.} (Recommended learning: html tutorial)

The content contained in the ^{tag and its closing tag} will be based on the character height in the current text stream Half of the text is displayed, but the font and size are the same as those in the current text stream.

Tip: This tag is useful for adding footnotes to documents and for representing exponent values in equations. If used in conjunction with the tag, it can create a great hyperlink footer.

Html subscript: _{Floating content}

##_{tag can define subscript text.}

Content contained within the _{tag and its closing tag} will be displayed at half the height of the characters in the current text stream, but the same height as the characters in the current text stream. The font and size are the same.

Tips: Both the _{tag and its corresponding ^{tag are very useful in mathematical equations, scientific symbols and chemical formulas.}}

Usage case code

上标：DIVCSS5^{www.DIVCSS5.com}
 
下标：DIVCSS5_{www.DIVCSS5.com}

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Add the html sup tag to the floating superscript of html, and add the html sub tag to the content that needs to be floated and lowered.

1), add ^{before and after the content that needs to be floated and superscripted, and add the} tag after it

2), add tag

3), there are many html tags that often use superscript or subscript in chemical expressions. We can use html superscript and subscript tags to solve this problem without using css styles.

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