String.prototype.sup()
Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
The sup() method creates a <sup> HTML
element that causes a string to be displayed as superscript.
Syntax
sup()
Return value
A string containing a <sup> HTML element.
Description
The sup() method embeds a string in a <sup> element:
"<sup>str</sup>".
Examples
Using sub() and sup() methods
The following example uses the sub() and
sup() methods to format a string:
var superText = 'superscript';
var subText = 'subscript';
console.log('This is what a ' + superText.sup() + ' looks like.');
// "This is what a <sup>superscript</sup> looks like."
console.log('This is what a ' + subText.sub() + ' looks like.');
// "This is what a <sub>subscript</sub> looks like."
Specifications
| Specification |
|---|
| ECMAScript Language Specification # sec-string.prototype.sup |
Browser compatibility
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