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The sup() method creates a <sup> HTML element that causes a string to be displayed as superscript.




The sup method embeds a string in a <sup> tag:


Example: Using sub and sup methods

The following example uses the sub and sup methods to format a string:

var superText = "superscript";
var subText = "subscript";

document.write("This is what a " + superText.sup() + " looks like.");
document.write("This is what a " + subText.sub() + " looks like.");

This example produces the same output as the following HTML:

This is what a <sup>superscript</sup> looks like.
This is what a <sub>subscript</sub> looks like.


Specification Status Comment
ECMAScript Language Specification 6th Edition (ECMA-262) Draft Initial definition. Implemented in JavaScript 1.0.
Defined in the (normative) Annex B for Additional ECMAScript Features for Web Browsers.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) 1.0 (1.7 or earlier) (Yes) (Yes) (Yes)
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) 1.0 (1.0) (Yes) (Yes) (Yes)

See also

Document Tags and Contributors

 Last updated by: Sevenspade,