JavaScript join()Method

Examples

Convert all elements in an array to a string:

var fruits = ["Banana", "Orange", "Apple", "Mango"];
var energy = fruits.join();

energyOutput:

Banana,Orange,Apple,Mango

The join() method is used to convert all elements in an array into a string.

The elements are separated by the specified separator.

All major browsers support the join() property.

array.join(separator)

Parameter	Description
separator	Optional. Specifies the separator to use. If this parameter is omitted, the comma is used as the separator.

Type	Description
String	Returns a string. The string is generated by converting each element of arrayObject to a string, then concatenating these strings, inserting the separator string between two elements.

JavaScript Version:	1.1

Use different separators:

var fruits = ["Banana", "Orange", "Apple", "Mango"];
var energy = fruits.join(" and ");

energyOutput:

Banana and Orange and Apple and Mango

Other Extensions