JavaScript Array concat() Method

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# JavaScript Array concat() Method

JavaScript Array Object

## Example

Join two arrays:

var hege = ["Cecilie", "Lone"];
var stale = ["Emil", "Tobias", "Linus"];
var children = hege.concat(stale);

The values of the children array will be:

Cecilie,Lone,Emil,Tobias,Linus
Try it yourself »

## Definition and Usage

The concat() method is used to join two or more arrays.

This method does not change the existing arrays, but returns a new array, containing the values of the joined arrays.

## Browser Support

The concat() method is supported in all major browsers.

## Syntax

array1.concat(array2, array3,..., arrayX)

## Parameter Values

Parameter | Description
--- | ---
array2, array3, ..., arrayX | Required. The arrays to be joined

## Return Value

Type | Description
--- | ---
Array object | The joined array

## Technical Details

JavaScript Version: | 1.2

## More Examples

## Example

Join three arrays:

var hege = ["Cecilie", "Lone"];
var stale = ["Emil", "Tobias", "Linus"];
var kai = ["Robin"];
var children = hege.concat(stale,kai);

The values of the children array will be:

Cecilie,Lone,Emil,Tobias,Linus,Robin
Try it yourself »

JavaScript Array Object

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