obj literal

obj.js

let name = "Gagan"
let age = 20

let obj = {
  name, //shorthand for name: name,
  age,
}

console.log(obj.name) //prints "Gagan"
console.log(obj.age) //prints 20

let name = "Gagan"
let age = 20
let ageField = "age"

let obj = {
  "name": "Max",
  [ageField]: 20, //needs initialization
  greet() {
    console.log(this.name + " " + this.age)
  }
} 
 
console.log(obj["name"]) //prints "Max"
obj.greet() //prints "Max 20"