// ==UserScript==
// @name               Pause videos when not visible
// @namespace          https://greasyfork.org/users/821661
// @version            1.0
// @description        play/pause videos
// @author             hdyzen
// @match              https://*/*
// @grant              none
// @license            MIT
// ==/UserScript==
'use strict';
function observerIt(elements, threshold) {
const observer = new MutationObserver(() => {
const videos = document.querySelectorAll(elements);
if (videos.length) {
videos.forEach(video => {
pauseVideo(video, threshold);
});
}
});
observer.observe(document.body, {
childList: true,
subtree: true,
});
}
function pauseVideo(element, threshold) {
const observer = new IntersectionObserver(
entries => {
entries.forEach(entry => {
!entry.isIntersecting && !entry.target.paused ? entry.target.pause() : undefined;
});
},
{ threshold: threshold },
);
observer.observe(element);
}