These principles don't just create pretty code—they reduce bugs, simplify updates, and prevent real-world problems like the $10,000 mistake I made early in my career.

Yeah, that was not a fun one.

Check out https://www.dofactory.com/javascript/design-patterns/adapter if you want to learn more patterns.

PS - I write unfiltered advice for early career developers here: 👉 Real Talk JS

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