This is right on the money. There’re certain times when mutating things makes sense, and others when generating a new array with reduce is a better choice. It’s all about knowing when to use the right tool.
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Definitely! Your solution demonstrates how Array.reduce would work under the hood for this problem, so it's no "bad" per se.
I think
Array.reduceis more like recursive function, rather than taking advantage of mutability.This is right on the money. There’re certain times when mutating things makes sense, and others when generating a new array with reduce is a better choice. It’s all about knowing when to use the right tool.