ecmascript2016.js

// https://medium.freecodecamp.org/here-are-examples-of-everything-new-in-ecmascript-2016-2017-and-2018-d52fa3b5a70e

// 1. Array.prototype.includes
const trois = {id:3};
const arr = [1, "deux", trois, NaN];
console.log(arr.includes(1)); // true
console.log(arr.includes("deux")); // true
console.log(arr.includes(trois)); // true
console.log(arr.includes(NaN)); // true
console.log(arr.includes(4)); // false

// 2. Exponentiation infix operator
Math.pow(2, 4) // 16
2**4 // 16