includes() Method in JavaScript

ES2016 Specifications included the includes() method for Array data structure.

The includes() method check if an array includes a certain element, returning true or false as appropriate.

Syntax

array.includes(searchElement);

Example

const array = ["Red", "Orange", "Yellow", "Olive", "Green"];

if (array.includes("Red")) {
  console.log("Red was found in the array"); // true
} else {
  console.log("Red was not found in the array"); // false
}

Note: The includes() method is case sensitive.

Hope you find this helpful.