https://felixgerschau.com/foreach-vs-map-javascript/
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Fupio に参加Felix Gerschau
https://felixgerschau.com/foreach-vs-map-javascript/
felixgerschau.comforEach() vs. map() — JavaScript Array Function Comparison | Felix GerschauThis article does a quick comparison of the two JavaScript functions. After reading this, you should know when to use which function and why.
