Prototype Includes

JavaScript Array.prototype.includes

ECMAScript 2016 introduced Array.prototype.includes to arrays. This allows us to check if an element is present in an array:

Example

const fruits = ["Banana", "Orange", "Apple", "Mango"];  
  
fruits.includes("Mango"); // is true

---

Backlinks

• Ecmascript 2016 (DevLog)