import and export in JavaScript

import and export in JavaScript — a practical guide to JavaScript import export with clear examples you can reuse in real projects.

JavaScript Tutorial Series (92/101). Prefer one article? Read the complete JavaScript tutorial.

Short description

Prefer named exports for better refactoring in many codebases.

import/export

// math.js
export const add = (a, b) => a + b;

// main.js
import { add } from './math.js';