The <sup> tag defines superscript text. Superscript text appears half a character above the normal line, and is sometimes rendered in a smaller font. Superscript text can be used for footnotes, like WWW [1]. Tip: Use the <sub> tag to define subscript text.

Apr 10, 2025 · The <sup> HTML element specifies inline text which is to be displayed as superscript for solely typographical reasons. Superscripts are usually rendered with a raised baseline using smaller text.

<sup> 元素应该只用于排版目的，也就是改变文本的位置以符合印刷习惯或标准，而不能仅用于呈现或外观的目的。 例如，要为企业或产品的字体商标添加抬高基线的样式，应该使用 CSS（很可能是 vertical-align）而不是 <sup>。 可以使用 vertical-align: super 或者 vertical-align: 50% 来将基 …

Jan 14, 2025 · The superscript object in HTML DOM is used to represent the HTML <sup> element. The superscript element can be accessed by using getElementById(). Syntax: document.getElementById("id") Where id is assigned to the <sup> tag.

Nov 29, 2010 · The HTML5 specification defines the <sup> element in 4.6.15 The sub and sup elements.

Jul 19, 2022 · The <sub> tag in HTML is used to define subscript text, which appears smaller and slightly below the normal text baseline. It is commonly used for mathematical expressions, chemical formulas, and footnotes, like in Hâ‚‚O (water) or E=mc² (Einstein’s equation).

The <sup> tag is used to define a superscript text, which appears half a character above the regular line and is rendered smaller than the rest of the text. The tag is commonly used to define footnotes and formulas. You must use the <sup> tag only for typographical reasons. It shouldn’t be used for styling purposes.

The <sup> script is used to identify text that should appear in a superscript position relative to the surrounding text. Use the element for it’s semantic meaning, rather than for it’s styling.

6 days ago · <sup> 要素は、単純に表現や表示の結果を得るためではなく、表記規則上の理由、つまり、表記上の習慣や規則でテキストの位置を変更する必要がある場合にのみ使用してください。 例えば、高いベースラインを使用しているビジネスや製品のワードマークをスタイル付けするには、<sup> では ...