X: stop video autoplay
Pauses videos that start on their own in the timeline while still letting you play them on click.
Code to copy
// Pause timeline videos that start playing on their own
function pauseVideos() {
document.querySelectorAll('video').forEach(function (v) {
if (!v.paused && !v.dataset.jzUserPlayed) {
v.pause();
}
});
}
document.addEventListener('play', function (e) {
if (e.target && e.target.tagName === 'VIDEO') {
e.target.dataset.jzUserPlayed = '1';
}
}, true);
pauseVideos();
const obs = new MutationObserver(pauseVideos);
obs.observe(document.documentElement, { childList: true, subtree: true });How to use this example
- Copy the code with the button above.
- Install JustZix (2 minutes) and open the extension on the target page.
- Add a new rule matching that page.
- Paste the code into the rule's JavaScript panel and save — it runs on every page visit.
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