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.

O método sup() cria um elemento HTML <sup> que faz com que uma string seja exibida como sobrescrito.

Sintaxe

str.sup()

Valor retornado

Uma string contendo um elemento HTML <sup>.

Descrição

O método sup() cria uma string dentro de uma tag <sup>: "<sup>str</sup>"

Exemplos

Usando os métodos sub() e sup()

O exemplo a seguir usa os métodos sub() e sup() para formatar uma string:

js
var superText = "superscript";
var supText = "supscript";

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 " + supText.sup() + " looks like.");
// "This is what a <sup>supscript</sup> looks like."

Especificações

Specification
ECMAScript® 2025 Language Specification
# sec-string.prototype.sup

Compatibilidade com navegadores

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
sup
Deprecated

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
Deprecated. Not for use in new websites.

Veja também