const cityList = [ { name: '東京', value: '1' }, { name: '神奈川', value: '2' }, { name: '千葉', value: '3' }, { name: '埼玉', value: '4' }, ]; const target = cityList.find((city) => { return (city.name === '東京'); }); console.log(target); // { name: '東京', value: '1' } const cityList = [ { country: '日本', name: '東京', value: '1' }, { country: '日本', name: '神奈川', value: '2' }, { country: '日本', name: '千葉', value