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zlrlo/flatMap.js

Created July 26, 2023 09:39
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[JS] 한 레벨만 평탄화 flatMap
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flatMap.js
let arr1 = ["it's Sunny in", "", "California"];
arr1.map(x=>x.split(""));
// [["it's","Sunny","in"],[""],["California"]]
arr1.flatMap(x => x.split(" "));
// ["it's","Sunny","in","","California"]
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