Node.js · Middle · Question 66 of 75

What does the `engines` field in `package.json` express?

1The database engines the package uses
✓Correct answer: The Node.js (and npm) versions the package supports, e.g. "node": ">=22"
3Which JavaScript engine to download

Explanation

npm warns when versions don't match; with engine-strict it refuses to install. Many projects also add .nvmrc or a packageManager field.

Further reading

npm Docs: package.json ↗

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