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javascript 問題集 No.17 jsonファイルをsortし90点以上に絞る

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~並び替え~

sort((a,b)=>b.objectのvalue - a.objectのvalue)

~90点以上に絞る~

forやifを駆使していては無駄が多すぎる

.filter((aaa) ===a.value - b.value)

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