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What is the difference between npm install and npm ci?

A npm ci installs from the lock file exactly and fails if package.json and the lock disagree
B npm ci is faster but ignores the lock file
C They are identical
D npm ci only installs devDependencies

Answer

npm ci installs from the lock file exactly and fails if package.json and the lock disagree

npm ci deletes node_modules and installs strictly from the lock file, which makes it the correct choice in CI and deployment pipelines.

All NodeJS MCQs

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