1class Polygon {
2  constructor(...sides) {
3    this.sides = sides;
4  }
5  // Method
6  *getSides() {
7    for(const side of this.sides){
8      yield side;
9    }
10  }
11}
12
13const pentagon = new Polygon(1,2,3,4,5);
14
15console.log([...pentagon.getSides()]); // [1,2,3,4,5]
16