How do I use modules in JavaScript?

How do I use modules in JavaScript?

In JavaScript, you can use modules to organize your code into separate files. You can export functions or variables from one module and import them into another.

Can you show me an example of exporting and importing a module?

Sure! In a file named math.js, you can export a function like this: export function add(a, b) { return a + b; }. Then, in another file, you can import it using: import { add } from './math.js';.

What are the benefits of using modules?

Modules help in maintaining clean code, avoiding global scope pollution, and making it easier to manage dependencies.

Are there different types of module systems in JavaScript?

Yes, the two main types are CommonJS, used in Node.js, and ES Modules, which is the standard for modern JavaScript.