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JavaScript Array includes() Method

❮ JavaScript Array Reference

Example

Check if an array includes "Mango":

var fruits = ["Banana", "Orange", "Apple", "Mango"];
var n = fruits.includes("Mango");
Try it Yourself »

Definition and Usage

The includes() method determines whether an array contains a specified element.

This method returns true if the array contains the element, and false if not.

Note: The includes() method is case sensitive.


Browser Support

Method
includes() 47 14.0 43 9 34

Syntax

array.includes(element, start)

Parameter Values

Parameter Description
element Required. The element to search for
start Optional. Default 0. At which position in the array to start the search

Technical Details

Return Value: A Boolean
JavaScript Version: ECMAScript 7

More Examples

Check if an array includes "Banana", starting the search at position 3:

var fruits = ["Banana", "Orange", "Apple", "Mango"];
var n = fruits.includes("Banana", 3);
Try it Yourself »

❮ JavaScript Array Reference