The add() method appends a new element with a specified value to the end of a Set object.
Set.prototype.add()
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Syntax
add(value)
Parameters
-
value -
The value of the element to add to the
Setobject.
Return value
The Set object with added value.
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
Browser compatibility
| Desktop | Mobile | Server | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | Deno | Node.js | |
add |
38
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12
|
13
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11
Returns 'undefined' instead of the 'Set' object.
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25
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8
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38
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38
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14
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25
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8
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3.0
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1.0
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0.12.0
0.10.0
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See also
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/add
