const keys = Object.keys(copyPerson) console.log(keys) //['firstName', 'age', 'country','city', 'skills','title', 'address', 'getPersonInfo'] const address = Object.keys(copyPerson.address) console.log(address) //['street', 'pobox', 'city']
const keys = Object.keys(copyPerson) console.log(keys) //['firstName', 'age', 'country','city', 'skills','title', 'address', 'getPersonInfo'] const address = Object.keys(copyPerson.address) console.log(address) //['street', 'pobox', 'city']