function createCounter() {
let count = 0;
return {
increment() {
return ++count;
},
reset() {
const oldCount = count;
count = 0;
return oldCount;
}
};
}
const counterA = createCounter();
const counterB = createCounter();
counterA.increment();
counterA.increment();
counterB.increment();
const result = counterA.reset() + counterB.reset();
console.log(result);
Ответ: 3
JavaScript test | #JavaScript & Max