JavaScript Array join() method

Definition and usage

join() The method returns the array as a string.

Elements will be separated by the specified delimiter. The default delimiter is a comma (,).

Note:join() The method does not change the original array.

Instance

Example 1

Convert array elements to a string:

var fruits = ["Banana", "Orange", "Apple", "Mango"];
var energy = fruits.join();

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Example 2

Try using different delimiters:

var fruits = ["Banana", "Orange", "Apple", "Mango"];
var energy = fruits.join(" and ");

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Syntax

array.join(separator)

Parameter value

Parameter Description
separator Optional. The delimiter to use. If omitted, elements are separated by commas.

Technical details

Return value: A string value representing the array values, separated by a specified delimiter.
JavaScript version: ECMAScript 1

Browser support

All browsers fully support join() Method:

Chrome IE Edge Firefox Safari Opera
Chrome IE Edge Firefox Safari Opera
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Related Pages

Tutorial:JavaScript Array

Tutorial:JavaScript Array Const

Tutorial:JavaScript Array Methods

Tutorial:JavaScript Array Sorting

Tutorial:JavaScript Array Iteration