El método add() añade un nuevo elemento con un valor específico al final del objeto Set.




Requerido. El valor del elemento a ser añadido al objeto Set.

Return value

El objeto Set.


Usando el método add

var mySet = new Set();

mySet.add(5).add("some text"); // chainable

// Set [1, 5, "some text"]


Specification Status Comment
ECMAScript 2015 (6th Edition, ECMA-262)
La definición de 'Set.prototype.add' en esta especificación.
Standard Initial definition.
ECMAScript (ECMA-262)
La definición de 'Set.prototype.add' en esta especificación.
Living Standard  

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 38 13.0 (13.0) 11 25 7.1
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support Sin soporte 38 13.0 (13.0) Sin soporte Sin soporte 8

Firefox-specific notes

  • Prior to Firefox 33 (Firefox 33 / Thunderbird 33 / SeaMonkey 2.30), Set.prototype.add returned undefined and was not chainable. This has been fixed (error 1031632). The behavior can be found in Chrome/v8 as well (issue).

See also