// Object.getOwnPropertyNames(): return an array of all properties (except non-ennumerable properties) // Object.getOwnPropertyNames(objects) const Transformers = { "Optimus Prime": "Peterbilt 379 truck", "Bumblebee": "Chevy Camaro", "Megatron": "Cybertronian Tank", "Starscream": "F-22 Raptor", }; const Names =Object.getOwnPropertyNames(Transformers); console.log(Names);