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JavaScript filter

Posted at

配列A ={1,2,3,4}
配列A.filter(function(配列A){return 配列A>2})で
filterの中の条件に該当するものを返す。
それによって条件に該当してるものだけの新しい配列を生成する。

配列Aは空ではなく、あらかじめ中身がある前提。
上記の条件だと、2より大きい値のみフィルターされた新しい配列を生成する。
filter後
配列A ={3,4}

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