TypeScript Array toString() Method

The Array.toString() method in TypeScript is a built-in function used to convert an array and its elements into a string representation. This method is useful when you need a simple, comma-separated string version of your array.

Syntax

The syntax for using the toString() method is straightforward:

array.toString()

Parameter: This method does not accept any parameter. 

Return Value: This method returns the string representing the array. 

Examples of TypeScript Array toString() Method

Example 1: Converting a Number Array to a String

In this example, we will convert an array of numbers into a string.

let numbers: number[] = [11, 89, 23, 7, 98];
let result: string = numbers.toString();
console.log(result); // Output: "11,89,23,7,98"

Output:  

11,89,23,7,98

Example 2: Converting a String Array to a String

In this example, we will convert an array of characters into a string.

let characters: string[] = ["G", "e", "e", "k", "s", "f", "o", "r", "g", "e", "e", "k", "s"];
let result: string = characters.toString();
console.log(result);

Output:  

G,e,e,k,s,f,o,r,g,e,e,k,s