sup (HTML element)

Spec
Depr. Empty Version
No No HTML 2
Browser support (more…)
IE5.5+ FF1+ SA1.3+ OP9.2+ CH2+
Full Full Full Full Full

Syntax

<sup>
</sup>

Description

The sup element is used to define superscript—text that appears half a character’s height above the baseline of the line it’s on. It’s most often used in mathematical formulas, or for the purposes of indicating footnote references.

The example would render on screen as shown in Figure 1.

Figure 1. An example of sup at work Example of sup element

Example

Here’s an example in which the sup element is used for the purpose of indicating a footnote reference:

<p>This document is a summary of findings. More details on the
    previous cases can be found in the referenced 'Prior Art'
    <sup>1</sup> and 'Intellectual Property History'<sup>2</sup>
    documents.</p>

Use This For …

This element can be applied to any text content, but its use is likely to be limited to footnote and mathematical applications.

Compatibility

Internet Explorer Firefox Safari Opera Chrome
5.5 6.0 7.0 8.0 1.0 1.5 2.0 3.0 3.5 1.3 2.0 3.1 4.0 9.2 9.5 10.0 2.0
Full Full Full Full Full Full Full Full Full Full Full Full Full Full Full Full Full

The sup element enjoys good browser support.

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