JavaScript Array concat() Method
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
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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 |
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
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JavaScript Array Reference
