数组对象根据某个属性比对找到对应的value
let userInfo = [{idCard: '007', name: 'wangzz'}, {idCard: '008', name: 'Felix'}]
userInfo.find((item) => item.idCard === '007')?.name; // 'wangzz'
学而不思则罔，思而不学则殆！
let userInfo = [{idCard: '007', name: 'wangzz'}, {idCard: '008', name: 'Felix'}]
userInfo.find((item) => item.idCard === '007')?.name; // 'wangzz'