/*
 * Implement a Polygon class with the following properties:
 * 1. A constructor that takes an array of integer side lengths.
 * 2. A 'perimeter' method that returns the sum of the Polygon's side lengths.
 */

class Polygon{
    constructor(sides){
        this.sides = sides;
    }
    perimeter(){
        var sum=0;
        for(var i=0;i<this.sides.length;i++){
            sum += this.sides[i];
        }
        return sum;
    }
}


const rectangle = new Polygon([10, 20, 10, 20]);
const square = new Polygon([10, 10, 10, 10]);
const pentagon = new Polygon([10, 20, 30, 40, 43]);

console.log(rectangle.perimeter());
console.log(square.perimeter());
console.log(pentagon.perimeter());