HTML tag superscript sup and subscript sub application introduction_HTML/Xhtml_Web page production
Release： 2016-05-16 16:37:17
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HTML tag: Superscript In HTML language, the
tag can define superscript text. For example: if it is required to display: 2 oxygen ions, it needs to be written as: 2O2- in the html code. 2O2-
Content contained in the tag and its closing tag will be displayed at half the height of the characters in the current text stream, but with the same font and size as the characters in the current text stream. It's the same.
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 tag: subscript
In HTML language, the tag can define subscript text. For example: it is required to display: 2 in H20 is the lower mark. In the html code, it needs to be written as: H20. H2O
Content contained in the tag and its closing tag will be displayed at half the height of the characters in the current text stream, but with the same font and font size as the characters in the current text stream Same.
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