JavaScript (ES2026) reference · Array Methods

JavaScript Array toString() Method

Return a string of the array's elements separated by commas. Called automatically when an array is used as text.

JavaScript (ES2026) Since ES1

Syntax

array.toString()

A string.

Basic useTry it yourself

console.log([1, 2, 3].toString(), String(["a", ["b", "c"]]));

Output

1,2,3 a,b,c

Automatic conversionTry it yourself

console.log("Items: " + ["tea", "cake"]);

Output

Items: tea,cake

Version	Change
JavaScript ES1	Added

array.join() · Join all elements into one string, separated by commas or by a separator you choose.
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