Define ES6 and mention the new features of ES6? code example

Example 1: es6 features javascript

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.

Example 2: es6 features in javascript

// lib/math.js
export function sum(x, y) {
  return x + y;
}
export var pi = 3.141593;

Example 3: es6 features in javascript

// app.js
import * as math from "lib/math";
alert("2π = " + math.sum(math.pi, math.pi));