javascript es6

function add(a, b) {
  return a + b;
}

var add = (a, b) => {
  return a + b;
}

var add = (a, b) => a + b;

const array = [1, 2, 3, 4, 5];

// checks whether an element is even
const even = (element) => element % 2 === 0;

console.log(array.some(even));
// expected output: true

ES6 refers to version 6 of the ECMA Script programming language
It is a major enhancement to the JavaScript language, and adds many more
features intended to make large-scale software development easier.

ECMAScript, or ES6, was published in June 2015.
It was subsequently renamed to ECMAScript 2015.

Default Parameters in ES6.
Template Literals in ES6.
Multi-line Strings in ES6.
Destructuring Assignment in ES6.
Enhanced Object Literals in ES6.
Arrow Functions in ES6.
Promises in ES6.
Block-Scoped Constructs Let and Const.

explain js es6