For plain objects, the following methods are available in Javascript
- Object.keys(obj) – returns an array of keys.
- Object.values(obj) – returns an array of values.
- Object.entries(obj) – returns an array of [key, value]pairs.
For instance:
let user = {
  name: "Technical Architect",
  age: 30
};- Object.keys(user) = ["name", "age"]
- Object.values(user) = ["Technical Architect", 30]
- Object.entries(user) = [ ["name","Technical Architect"], ["age",30] ]
