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Array.prototype.toString()

Baseline Widely available

This feature is well established and works across many devices and browser versions. Its been available across browsers since 20157.

toString()

In this article

const array1 = [1, 2, "a", "1a"];

console.log(array1.toString());
// Expected output: "1,2,a,1a"

js
toString()

Array Object toString toString

JavaScript toString

ECMAScript 5

JavaScript 1.8.5 (Firefox 4) ECMAScript 5 toString() Object.prototype.toString()

toString

js
const array1 = [1, 2, "a", "1a"];

console.log(array1.toString());
// expected output: "1,2,a,1a"

Specification
ECMAScript 2027 LanguageSpecification
# sec-array.prototype.tostring

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