const person = { name: 'Rick', age: 77, country: 'US', } // /*/ // ⚡ export const tests = [] const t = (f) => tests.push(f) t(() => typeof samePerson === 'object') t(() => typeof person === 'object') t(() => typeof clone1 === 'object') t(() => typeof clone2 === 'object') t(({ eq }) => eq(clone1, clone2)) // equal t(() => clone1 !== clone2) // but different ! t(() => person === samePerson) // same value t(() => person.name === 'Rick') t(() => person.age === 78) t(() => person.country === 'FR') t(() => clone1.country === 'US') t(() => clone2.age === 77) Object.freeze(tests)