includes()

ES7+

Determines whether an array includes a certain value among its entries.

Syntax

array.includes(searchElement, fromIndex)

searchElement any

The value to search for

fromIndex number optional

Position to start searching from

boolean

true if the value is found, otherwise false

JavaScript

const fruits = ['apple', 'banana', 'cherry'];
console.log(fruits.includes('banana'));
console.log(fruits.includes('mango'));

Output:

// true false