JavaScript Array join() Method
The JavaScript Array join() Method is used to join the elements of an array into a string. The elements of the string will be separated by a specified separator and its default value is a comma(,).
Array join() Method Syntax
array.join(separator);
Parameters
This method accepts a single parameter as mentioned above and described below:
- separator: It is Optional i.e, it can be either used as a parameter or not. Its default value is a comma(, ).
Array join() Method Example
In this example, the function join() joins together the elements of the array into a string using ‘|’.
JavaScript
function func() {
let a = [1, 2, 3, 4, 5, 6];
console.log(a.join( '|' ));
}
func();
|
Array join() Method Example:
In this example, the function join() joins together the elements of the array into a string using ‘, ‘ since it is the default value.
Javascript
let a = [1, 2, 3, 4, 5, 6];
console.log(a.join());
|
Array join() Method Example
In this example, the function join() joins together the elements of the array into a string using ‘ ‘ (empty string).
Javascript
let a = [1, 2, 3, 4, 5, 6];
console.log(a.join( '' ));
|
We have a complete list of JavaScript Array methods, to check those please go through this Javascript Array Complete reference article.
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Last Updated :
05 Mar, 2024
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