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Difference between CommonJS and es6 Modules in Node.js

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Difference between CommonJS and es6 Modules in Node.js

Difference between CommonJS and es6 Modules (in node) is a Node.js topic. In plain words you use it for install express in a new folder. Don’t start with a slogan — start with that picture.

Smallest example: npm init + npm i express. Type it, run it, and say what you see. If you can do that from memory, you know Difference between CommonJS and es6 Modules (in node).

From the example next to this theory — Difference between CommonJS and es6 Modules in Node.

Trap — deleting package-lock blindly. Fix that before you talk about advanced Node.js.

Viva: what is Difference between CommonJS and es6 Modules (in node)? Then show npm init + npm i express. Then name the trap.

Exam tip

What is Difference between CommonJS and es6 Modules (in node)? Show this: npm init + npm i express. Trap: deleting package-lock blindly.

Example

// Difference between CommonJS and es6 Modules in Node.js
const users = [
  { id: 1, name: "Asha" },
  { id: 2, name: "Ravi" },
];

function findUser(id) {
  return users.find((u) => u.id === id) ?? null;
}

console.log(findUser(2));
console.log(users.map((u) => u.name));

Difference between CommonJS and es6 Modules in Node.js: find user 2, then list names. Say both prints.

Short notes

DefDifference between CommonJS and es6 Modules (in node) — install express in a new folder.
Rulenpm init + npm i express
Trapdeleting package-lock blindly
Usea new folder

// Difference between CommonJS and es6 Modules in Node.js const users = [ { id: 1, name: "Asha" }, { id: 2, name: "Ravi" }, ]; function findUser(id) { return users.find((u) => u.id === id) ?? null; } console.log(findUser(2)); console.log(users.map((u) => u.name));

Difference between CommonJS and es6 Modules in Node.js

Example

Short notes

Questions

Difference between CommonJS and es6 Modules in Node.js

Example

Short notes

Questions