54-2: JavaScript object constructor

1. 로또 번호를 생성하는 생성자 함수를 만드시오.

//code
      function print(p) {
        document.write(p);
      }
      function println(p) {
        print(p);
        print("<br>");
      }
      function Lotto(size, max) {
        let set = new Set();
        while (set.size < size) {
          set.add(Math.floor(Math.random() * max) + 1);
        }
        this.numbers = Array.from(set);
      }
      let lotto = new Lotto(7, 45);
      for (let i = 0; i < lotto.numbers.length; i++) {
        println(lotto.numbers[i]);
      }