Answer
package-lock.json stores exact dependency versions for consistent installations.
Quick Answer
package-lock.json records the exact version of every installed package and all their sub-dependencies. While package.json might say "express: ^4.18.0" (any compatible version), package-lock.json pins it to the exact 4.18.2 that was installed. This ensures everyone on the team and CI/CD gets identical dependency trees.
S
SugharaIQ Editorial Team
Verified Answer
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Source: SugharaIQ