Objects - methods

Question 1

Object.keys(obj): This method returns an array of the own enumerable property names of obj.

Answer 1

let obj = { name: ‘John’, age: 30 };
let keys = Object.keys(obj);
console.log(keys); // outputs [‘name’, ‘age’]

Question 2

Object.values(obj): This method returns an array of the own enumerable property values of obj.

Answer 2

let obj = { name: ‘John’, age: 30 };
let values = Object.values(obj);
console.log(values); // outputs [‘John’, 30]

Question 3

Object.entries(obj)

Answer 3

let obj = { name: ‘John’, age: 30 };
let entries = Object.entries(obj);
console.log(entries); // outputs [[‘name’, ‘John’], [‘age’, 30]]