generate-an-array-of-all-object-keys-with-object-keys.json

{"index.js":"let users = {\n  Alan: {\n    age: 27,\n    online: false\n  },\n  Jeff: {\n    age: 32,\n    online: true\n  },\n  Sarah: {\n    age: 48,\n    online: false\n  },\n  Ryan: {\n    age: 19,\n    online: true\n  }\n};\n\nfunction getArrayOfUsers(obj) {\n  // change code below this line\n  return Object.keys(obj);\n  // change code above this line\n}\n\nconsole.log(getArrayOfUsers(users));"}