It sounds like you're looking to create or request a feature for a video page on (Odnoklassniki) — specifically for the movie Watch Me (1995), also known as The Dark Dancer .
// Store current time before unload window.addEventListener("beforeunload", () => { const video = document.querySelector("video"); if (video) localStorage.setItem("watchme_resume", video.currentTime); }); // Resume on load window.addEventListener("load", () => { const savedTime = localStorage.getItem("watchme_resume"); const video = document.querySelector("video"); if (savedTime && video) video.currentTime = savedTime; });