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HTML <sup> tag

HTML <sup> tag is termed as a superscript tag which is used to define superscript text. The text within <sup> tag appears with an upper baseline and renders with smaller font size than surrounding text.

The <sup> tag is useful for defining Mathematical formulas and footnotes.

Syntax

Following are some specifications about the HTML <sup> tag

Display	Inline
Start tag/End tag	Both Start and End tag
Usage	Textual

Example

<!DOCTYPE html>
<html>
<head>
	<title>HTML sup Tag</title>
	<style>
	   body{
		text-align: center;
		}
	</style>
</head>
<body>
 <h2>Example of sup tag</h2>
  Following is the famous Pythagorean Theorem: 
  <p style="font-size: 20px; color: green;"><var>a</var><sup>2</sup>+<var>b</var><sup>2</sup>=<var>c</var><sup>2</sup>
  </p>
  <p>Where a, b, and c represents the sides of right angle triangle</p>
</body>
</html>

Output:

HTML sup tag

Attribute:

Tag-specific attributes:

The <sup> tag does not contain any specific attribute.

Global attribute:

The <sup> tag supports the Global attributes in HTML.

Event attribute:

The <sup> tag supports the Event attributes in HTML.

Supporting Browsers

Element	Chrome	IE	Firefox	Opera	Safari
<sup>	Yes	Yes	Yes	Yes	Yes

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