09. Sorted List

class List {
  constructor() {
    this.arr = [];
    this.size = 0;
  }

  add(element) {
    this.arr.push(element);
    this.size += 1;
    return this.arr.sort((a, b) => a - b);
  }

  remove(index) {
    if (this.arr.length > index && index >= 0) {
      this.arr.splice(index, 1);
      this.size--;
    } else {
      throw new Error();
    }
    return this.arr.sort((a, b) => a - b);
  }

  get(index) {
    if (this.arr.length > index && index >= 0) {
      return this.arr[index];
    }
    throw new Error();
  }
}