Set.prototype.size
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
La propiedad de acceso size
devuelve el número de elementos que hay en el objeto Set
.
Descripción
El valor de size
es un entero que representa cuantas entradas tiene el objeto Set
. La función de accesso set para size
es undefined
; no se puede cambiar esta propiedad.
Ejemplos
Usando size
js
var mySet = new Set();
mySet.add(1);
mySet.add(5);
mySet.add("un texto");
mySet.size; // 3
Especificaciones
Specification |
---|
ECMAScript® 2025 Language Specification # sec-get-set.prototype.size |
Compatibilidad con navegadores
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
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size |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- See implementation notes.
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.