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Node.js · Theory

Difference between npm install and npm update in Node.js

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Theory

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Difference between npm install and npm update in Node.js

Difference between npm install and npm update (node js) 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 npm install and npm update (node js).

From the example next to this theory — Difference between npm install and npm update in Node.

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

Viva: what is Difference between npm install and npm update (node js)? Then show npm init + npm i express. Then name the trap.

Exam tip

What is Difference between npm install and npm update (node js)? Show this: npm init + npm i express. Trap: deleting package-lock blindly.

Example

const pkg = {
  name: "demo",
  version: "1.0.0",
  scripts: { start: "node index.js" },
  dependencies: { express: "^4.19.0" },
};
console.log(pkg.name, Object.keys(pkg.dependencies));

Difference between npm install and npm update in Node.js — package.json declares scripts and dependencies that npm installs.

Short notes

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

Questions

1

What is Difference between npm install and npm update (node js)?

2

Give one small example of Difference between npm install and npm update (node js).

3

What mistake do beginners make with Difference between npm install and npm update (node js)?

4

Where do you use Difference between npm install and npm update (node js)?

572 / 723

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