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【JavaScript】配列内の連想配列の特定のキーの値の存在確認

Last updated at Posted at 2022-11-13

他に良い方法がありましたらご教示いただけますと幸いです。

const array = [{id:1},{id:2},{id:3}]
const check = (key,val) => array.find(obj => obj[key] === val) 

check("id",1)
>{id: 1}

check("id",4)
>undefined
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