In this video you will learn what are lock files in Javascript and why npm packagelock file is needed. Also we will talk about yarn lock file which is an alternative to lock our dependencies. You can't write in any language without using lock files so here is all knowledge that you need to know.

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TIMESTAMPS
0:00 Intro
0:30 Dependencies problem
2:03 Example with dependencies
4:10 Dependencies are not safe!
5:22 Lock files
5:58 Packagelock.json
6:36 Managing dependencies
8:08 Bonus
10:26 Outro

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