ECMAScript

const addFive = function (n) {
  return n + 5;
};

function addTwo(n) {
  return n + 2;
}

const mobile = {
  Samsung: "Galaxy",
  Apple: "iPhone",
};

export { addFive, addTwo, mobile };

function Hello() {
  return "Hello World";
}

const banana = {
  color: "Yellow",
};

const addFive = function (n) {
  return n + 5;
};

export default Hello;
export { addFive, banana };

import * as lib from "./lib.js";
import { addFive, addTwo, mobile } from "./lib.js";
import { default as main } from "./libtwo.js";
import hello from "./libtwo.js";

import * as libtwo from "./libtwo.js";
import { banana } from "./libtwo.js";

// Get all functions or object from lib.js
console.log("========================");
console.log(lib.addFive(5));
console.log(lib.addTwo(5));
console.log(lib.mobile.Apple);
console.log(lib.mobile.Samsung);

// Get some functions or object from lib.js
console.log("========================");
console.log(addFive(5));
console.log(addTwo(5));
console.log(mobile.Apple);
console.log(mobile.Samsung);

// Use export default from libtwo.js
console.log("========================");
console.log(hello());
console.log(main());
console.log(libtwo.default());

// Get all functions or object from lib.js
console.log("========================");
console.log(libtwo.addFive(3));
console.log(libtwo.banana.color);

// Get a object from libtwo.js
console.log("========================");
console.log(banana.color);

========================
10
7
iPhone
Galaxy
========================
10
7
iPhone
Galaxy
========================
Hello World
Hello World
Hello World
========================
8
Yellow
========================
Yellow

{
  "name": "es6",
  "version": "1.0.0",
  "description": "",
  "main": "main.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "type": "module"
}