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Node.js · Theory

npm exec command in Node.js

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Theory

602/723

npm exec command in Node.js

npm exec command (in 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 npm exec command (in node js).

From the example next to this theory — npm exec command in Node.

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

Viva — what is npm exec command (in node js)? Then show npm init + npm i express. Then name the trap.

Exam tip

What is npm exec command (in 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));

npm exec command in Node.js — package.json declares scripts and dependencies that npm installs.

Short notes

  • Defnpm exec command (in node js) — install express in a new folder.
  • Rulenpm init + npm i express
  • Trapdeleting package-lock blindly
  • Usea new folder

Questions

1

What is npm exec command (in node js)?

2

Give one small example of npm exec command (in node js).

3

What mistake do beginners make with npm exec command (in node js)?

4

Where do you use npm exec command (in node js)?

602 / 723

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