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Node.js · Theory

Difference between npm i and npm ci in Node.js

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Theory

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Difference between npm i and npm ci in Node.js

Difference between npm i and npm ci (in node js) is simple if you keep it on paper. Ananya uses it for install express in a new folder.

Keep Difference between npm i and npm ci (in node js) small. Ananya should finish install express in a few lines, not a 40-line dump.

Difference between npm i and npm ci (in node js) exists so Ananya can keep install express correct in a new folder.

Difference between npm i and npm ci (in node js) shows up in a new folder. Name install express, not “a real-world scenario”.

If install express breaks under Difference between npm i and npm ci (in node js), check deleting package-lock blindly first.

Place Difference between npm i and npm ci (in node js) next to nearby Node.js work — npm init + npm i express is the link.

Viva for Difference between npm i and npm ci (in node js): what it is → npm init + npm i express → the mistake (deleting package-lock blindly).

Exam tip

Board: install express. Dry-run Difference between npm i and npm ci (in node js). Name the 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 i and npm ci in Node.js — package.json declares scripts and dependencies that npm installs.

Short notes

  • DefDifference between npm i and npm ci (in node js) — Ananya uses it for install express in a new folder.
  • RuleDifference between npm i and npm ci (in node js) → npm init + npm i express.
  • RememberDifference between npm i and npm ci (in node js) + the event loop (a new folder).
  • UseDifference between npm i and npm ci (in node js) in a new folder (install express).
  • TrapDifference between npm i and npm ci (in node js) — deleting package-lock blindly.
  • ExDifference between npm i and npm ci (in node js) → install express.

Questions

1

What is Difference between npm i and npm ci (in node js)? Teach it with install express.

2

When would Ananya actually reach for Difference between npm i and npm ci (in node js)?

3

Which mistake makes install express fail?

4

Dry-run npm init + npm i express and say the result.

Previous← Difference between Node.js and BootstrapNextconsole.trace() Method →
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