JavaScript Array concat() Method

JavaScript Array Reference JavaScript Array Reference

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 »

More "Try it Yourself" examples below.


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 numbers in the table specify the first browser version that fully supports the method.

Method
concat() 1.0 5.5 1.0 Yes Yes

Syntax

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

Parameter Values

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

Technical Details

Return Value: An Array object, representing the joined array
JavaScript Version: 1.2

Examples

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 Reference JavaScript Array Reference

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