How to get object property?

Question

I have a piece of code, like this:

let a = { b: 3, c: this.b }

The code doesn't work and returns "undefined". How do I access property b on property c?

Answer 1

How to get?

=> use get

let a = { 
  b: 3, 
  get c() { 
    return this.b; 
  } 
}
console.log(a.b, a.c);