Discussion on: How to access “this” from inside a callback

const obj = {
  x: 10,
  foo() {
      return {
        x: 20,
        printX() {
          console.log(this.x); // prints 20
        }
      }
  },
  bar() {
      return {
        x: 20,
        printX: () => console.log(this.x) // prints 10
      }
  },
}