1function createCounter() {
2  let count = 0;
3  return {
4    increment() {
5      count++;
6    },
7    getCount() {
8      return count;
9    }
10  };
11}
12
13const counter1 = createCounter();
14const counter2 = createCounter();
15
16counter1.increment();
17counter1.increment();
18console.log(counter1.getCount());
19console.log(counter2.getCount());