What is a lockfile and why you should commit it [9 of 26]

Lockfiles in Node.js are very important yet often misunderstood. Learn what is package-lock.json, how it work and why it's needed.

Full "Intro to Node.js" course on Microsoft Learn: https://aka.ms/LearnNode.js

Watch the entire series: https://aka.ms/NodeBeginnerSeries

Extra resources:
- Visual Studio Code: https://code.visualstudio.com
- Beginner's Series to JavaScript: https://aka.ms/JSBeginnerSeries
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