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【filterについて】

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Posted at

filterは、その中で定義した条件にTRUEな要素だけが配列としてreturnするメソッド!
だから自分のidの情報だけ持ってくる的なこともできる!
基本構文はこんな感じ

array = []
const newArray = array.filter(value => {
})

使用例

const array = [1, 2, 3, 4, 5]
const newArray = array.filter(value => {
    return value > 3
})

console.log(newArray)

// 出力結果
> [4, 5]
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