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Blocks thumbnail hover previews (WebP & video) on all YouTube pages. Keeps progress badges and play buttons.
当前为
// ==UserScript==
// @name YouTube - Block Autoplay Preview
// @name:vi YouTube - Chặn Preview Tự Động Khi Hover
// @namespace http://greasyfork.icu/users/979364-miebie-1412
// @version 1.1
// @description Blocks thumbnail hover previews (WebP & video) on all YouTube pages. Keeps progress badges and play buttons.
// @description:vi Chặn hiệu ứng xem trước khi hover thumbnail trên mọi trang YouTube. Giữ badge tiến độ và nút play.
// @author miebie.1412
// @match https://www.youtube.com/*
// @match http://www.youtube.com/*
// @match https://youtube.com/*
// @match http://youtube.com/*
// @grant none
// @run-at document-start
// @license MIT
// @homepageURL http://greasyfork.icu/en/users/979364-miebie-1412
// @supportURL http://greasyfork.icu/en/users/979364-miebie-1412
// ==/UserScript==
(function () {
'use strict';
// Inject CSS to hide preview elements
const css = `
ytd-moving-thumbnail-renderer,
ytd-thumbnail-overlay-resume-playback-renderer,
ytd-thumbnail-overlay-loading-preview-renderer,
ytd-video-preview,
video[src*="an_webp"], video[src*="video-preview"],
img[src*="an_webp"], img[src*="video-preview"] {
display: none !important;
}
ytd-thumbnail img { opacity: 1 !important; }
ytd-thumbnail-overlay-resume-playback-renderer[style*="width"],
#thumbnail-overlay-play { display: block !important; }
`;
// Append style to head
const style = document.createElement('style');
style.textContent = css;
(document.head || document.documentElement).appendChild(style);
// Clean dynamic preview sources
const clean = () => {
document.querySelectorAll('img[src*="an_webp"], img[src*="video-preview"], video[src*="an_webp"], video[src*="video-preview"]').forEach(el => {
if (el.tagName == 'IMG') {
el.src = el.src.replace(/an_webp\/[^&]*&/g, '').replace(/video-preview\/[^&]*&/g, '');
el.srcset = '';
} else if (el.tagName == 'VIDEO') {
el.pause();
el.src = '';
}
});
};
// Run on DOM ready
if (document.readyState == 'loading') {
document.addEventListener('DOMContentLoaded', clean);
} else {
clean();
}
// Observe DOM changes
new MutationObserver(clean).observe(document.documentElement, {
childList: true,
subtree: true,
attributes: true,
attributeFilter: ['src', 'srcset']
});
// Fallback interval
setInterval(clean, 500);
})();