The <sup> tag is supported in all major browsers.
The <sup> tag defines superscript text. Superscript text appears half a character above the baseline. Superscript text can be used for footnotes, like WWW.
Tip: Use the <sub> tag to define subscript text.
The <sup> tag also supports the Global Attributes in HTML.
The <sup> tag also supports the Event Attributes in HTML.
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