Sorted List

function createSortedList() {
  const obj = {
    numbers: [],

    add(element) {
      obj.numbers.push(element);
      obj.numbers.sort((a, b) => a - b);
    },

    remove(index) {
      if (index >= 0 && index < obj.numbers.length) obj.numbers.splice(index, 1);
    },

    get(index) {
      if (index >= 0 && index < obj.numbers.length) return obj.numbers[index];
    },

    get size() {return obj.numbers.length;},

  };

  return obj;
}