❗️Что будет на выходе?

const weakMap = new WeakMap();
const obj = {};
const gen = (function* () {
  yield 'value1';
  yield 'value2';
  yield* ['value1', 'value2']
})();

weakMap.set(obj, gen.next().value);

console.log(weakMap.get(obj));
console.log(gen.next().value);
console.log(gen.next().value);

Ответ: 'value1'
'value2'
'value1'

JavaScript test | #JavaScript