JavaScript Array toString() Method

The toString() method returns a string with array values separated by commas. The toString() method does not change the original array. This method converts an array into a readable string format, often for display or logging purposes.

Syntax:

arr.toString()

Parameters: This method does not accept any parameter.

Return value: 

• The method returns the string representation of the array elements. 
• If the array is empty, then it returns an empty string.
• The original array is not changed by this method

Below is an example of the Array toString() method.

Example 1: In this example The func() function creates an array and converts it to a string using the toString() method.

// JavaScript to illustrate toString() method
function func() {

    // Original array
    let arr = ["Geeks", "for", "Geeks"];

    // Creating a string
    let str = arr.toString();
    console.log(str);
}
func();

Geeks,for,Geeks

Example 2: In this example, the toString() method creates a string consisting of array elements.

// JavaScript to illustrate toString() method
function func() {
    // Original array
    let arr = [2, 5, 8, 1, 4];

    // Creating a string
    let str = arr.toString();
    console.log(str);
}
func()

2,5,8,1,4

Example 3 : In this example, we are converting a multidimensional array into a string.

let matrix = [[1, 2, 3], [4, 5, 6], [7, 8, 9]];

let result = matrix.toString();
console.log(result);

1,2,3,4,5,6,7,8,9

We have a complete list of Javascript Array methods, to check those please go through this Javascript Array Complete reference article.

Supported Browsers: The browsers supported by JavaScript Array toString() method are listed below:

• Google Chrome
• Edge 
• Firefox
• Opera
• Safari

We have a Cheat Sheet on Javascript where we covered all the important topics of Javascript to check those please go through Javascript Cheat Sheet-A Basic guide to JavaScript.