The add()
method appends a new element with a specified value
to the end of a Set
object.
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Syntax
mySet.add(value);
Parameters
value
- The value of the element to add to the
Set
object.
Return value
The Set
object.
Examples
Using the add
method
var mySet = new Set(); mySet.add(1); mySet.add(5).add('some text'); // chainable console.log(mySet); // Set [1, 5, "some text"]
Specifications
Specification |
---|
ECMAScript (ECMA-262) The definition of 'Set.prototype.add' in that specification. |
Browser compatibility
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.
Desktop | Mobile | Server | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
add | Chrome Full support 38 | Edge Full support 12 | Firefox Full support 13 | IE
Partial support
11
| Opera Full support 25 | Safari Full support 8 | WebView Android Full support 38 | Chrome Android Full support 38 | Firefox Android Full support 14 | Opera Android Full support 25 | Safari iOS Full support 8 | Samsung Internet Android Full support 3.0 | nodejs
Full support
0.12
|
Legend
- Full support
- Full support
- Partial support
- Partial support
- See implementation notes.
- See implementation notes.
- User must explicitly enable this feature.
- User must explicitly enable this feature.