npm & package.json Basics

Manage JavaScript project dependencies with confidence. Learn what npm and package.json do, how dependencies and devDependencies differ, how semantic versioning and the ^ and ~ ranges work, why package-lock.json must be committed, when to use npm ci, how to run scripts, and how to check for vulnerable packages with npm audit.

Tutwoo is an independent learning provider. This course is general awareness training written from published official guidance. It does not replace training required for your specific job, and it is not an accredited qualification.

© 2026 Tutwoo UK Limited. This course was created in-house by Tutwoo and is our original work. It is for your own learning only: please do not copy, share, record or resell it.