Auto Loop HTML5 Videos

Automatically loops HTML5 videos when they finish

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Auto Loop HTML5 Videos
// @namespace    https://greasyfork.org/users/yourname
// @version      1.1
// @description  Automatically loops HTML5 videos when they finish
// @author       You
// @license      MIT
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    function enableLoop(video) {
        if (!video || video.dataset.autoLoopApplied) return;

        // Enable native looping
        video.loop = true;

        // Fallback restart in case site disables loop
        video.addEventListener('ended', function() {
            video.currentTime = 0;
            video.play().catch(() => {});
        });

        video.dataset.autoLoopApplied = "true";
    }

    function scanForVideos() {
        document.querySelectorAll('video').forEach(enableLoop);
    }

    // Initial scan
    scanForVideos();

    // Observe dynamically added videos
    const observer = new MutationObserver(() => {
        scanForVideos();
    });

    observer.observe(document.documentElement, {
        childList: true,
        subtree: true
    });

})();