😍IIFE=>Immediately Invoked Function Expression=>khởi tạo function & chạy ngay, import, export như nào

index.html

<!DOCTYPE html>
<html>
<body>
  <h1>JavaScript Modules</h1>
  <script type="module" src="app.js"></script>
</body>
</html>

file1.js

export const greet = (name) => {
  return `Hello, ${name}!`;
};

file2.js

import { greet } from './file1.js';
const aa = (function () {
  const message1 = greet('John 2');
  return {
    message1
  }
})();
export default aa;

file3.js

import { greet } from './file1.js';
import aa from "./file2.js";
const bb = (function () {
  const message2 = greet('John 3') + aa.message1;
  return {
    message2
  }
})();
export default bb;

app.js

import bb from "./file3.js";
console.log(bb.message2)
Previous[JavaScript chuyên sâu]: Từ hàm IIFE tới Module PatternNextTìm hiểu về Higher-Order Functions trong JavaScript

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