Array.prototype.toString()
The toString() method returns a string representing the
specified array and its elements.
Syntax
toString()
Return value
A string representing the elements of the array.
Description
The Array object overrides the toString method of
Object. For Array objects, the toString method joins the
array and returns one string containing each array element separated by commas.
JavaScript calls the toString method automatically when an array is to be
represented as a text value or when an array is referred to in a string concatenation.
ECMAScript 5 semantics
Starting in JavaScript 1.8.5 (Firefox 4), and consistent with ECMAScript 5th edition
semantics, the toString() method is generic and can be used with any
object. Object.prototype.toString() will be called, and the resulting
value will be returned.
Examples
Using toString
const array1 = [1, 2, 'a', '1a'];
console.log(array1.toString());
// expected output: "1,2,a,1a"
Specifications
| Specification |
|---|
| ECMAScript Language Specification (ECMAScript) # sec-array.prototype.tostring |
Browser compatibility
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