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JavaScript Array includes()

Examples

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

Start the search at position 3:

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

Definition and Usage

The includes() method returns true if an array contains a specified value.

The includes() method returns false if the value is not found.

The includes() method is case sensitive.


Syntax

array.includes(element, start)

Parameters

Parameter Description
element Required.
The value to search for.
start Optional.
Start position. Default is 0.

Return Value

Type Description
A boolean true if the value is found, otherwise false.

Browser Support

includes() is an ECMAScript7 (ES7) feature.

ES7 (JavaScript 2016) is supported in all modern browsers:

Chrome Edge Firefox Safari Opera
Yes Yes Yes Yes Yes

includes() is not supported in internet Explorer or Edge 13 (or earlier).