WeakRef and FinalizationRegistry by WOLFRIEND · Pull Request #576 · javascript-tutorial/uk.javascript.info

Expand Up @@ -9,16 +9,15 @@ startMessagesBtn.addEventListener('click', () => { // (4)
closeWindowBtn.addEventListener('click', () => document.querySelector(".window__body").remove()); // (5)

const startMessages = (element) => { const timerId = setInterval(() => { // (6) if (element.deref()) { // (7) const payload = document.createElement("p"); payload.textContent = `Message: System status OK: ${new Date().toLocaleTimeString()}`; payload.textContent = `Повідомлення: Статус системи OK: ${new Date().toLocaleTimeString()}`; element.deref().append(payload); } else { // (8) alert("The element has been deleted."); // (9) alert("Елемент було видалено."); // (9) clearInterval(timerId); } }, 1000); }; };