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JavaScript join() Method

Array Object Reference JavaScript Array Object

Definition and Usage

The join() method is used to put all the elements of an array into a string.

The elements will be separated by a specified separator.

Syntax

arrayObject.join(separator)

Parameter Description
separator Optional. Specifies the separator to be used

Tips and Notes

Note: Comma is the default separator for the join() method.

Example

Example

In this example we will create an array, and then put all the elements in a string:

<script type="text/javascript">

var arr = new Array(3);
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";

document.write(arr.join() + "<br />");

document.write(arr.join("."));

</script>

The output of the code above will be:

Jani,Hege,Stale
Jani.Hege.Stale

Try it yourself »

Array Object Reference JavaScript Array Object

From http://www.w3schools.com (Copyright Refsnes Data)