What does the sup tag mean?
The sup tag defines superscript text. The superscript text will be displayed above the baseline that is half the character height in the current text stream, but is different from the current The text font and size are the same throughout the text stream, and superscripted text can be used to add footnotes.
html sup tag syntax
Function: You can define superscript text.
Note: The content contained in the tag and its closing tag will be displayed with half the height of the characters in the current text stream, but with the same font as the text in the current text stream. and font size are the same.
Comments: 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 sup tag example
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
这段文本包含 <sup>上标</sup>
</body>
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