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@tonkotsuboy
Last active October 28, 2021 01:15
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findLastIndex demo
const myArray = [
{ name: 'ギータ', age: 32 },
{ name: 'マッチ', age: 37 },
{ name: 'ケイゾー', age: 37 },
{ name: '高谷', age: 39 },
];
// myArrayから、ageが37の最後の要素を探し、名前を取得
const targetName = myArray.findLast(member => {
return member.age === 37;
})?.name;
console.log(targetName); // ケイゾーが出力
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