YouTube 去廣告
// ==UserScript==
// @name youtube-adb
// @namespace https://github.com/Hunter-Lam/youtube-adb
// @version 1.0
// @description YouTube 去廣告
// @match *://*.youtube.com/*
// @exclude *://accounts.youtube.com/*
// @exclude *://www.youtube.com/live_chat_replay*
// @grant none
// @run-at document-start
// @license MIT
// ==/UserScript==
(function () {
'use strict';
/* =========================
1. UI 廣告隱藏（只處理靜態區塊）
========================== */
const style = document.createElement('style');
style.textContent = `
#masthead-ad,
ytd-display-ad-renderer,
ytd-ad-slot-renderer,
ytd-promoted-sparkles-web-renderer,
.ytd-video-masthead-ad-v3-renderer,
ytd-engagement-panel-section-list-renderer[target-id="engagement-panel-ads"],
ad-slot-renderer,
ytm-companion-ad-renderer {
display: none !important;
}
`;
document.documentElement.appendChild(style);
/* =========================
2. 廣告判斷（YouTube 唯一穩定標誌）
========================== */
function isAdPlaying() {
const player = document.getElementById('movie_player');
if (!player) return false;
return player.classList.contains('ad-showing');
}
/* =========================
3. 核心：直接跳到影片結尾（只在廣告時）
========================== */
function skipAd(video) {
if (!video) return;
// 可跳過按鈕
const skipBtn = document.querySelector(
'.ytp-ad-skip-button,' +
'.ytp-ad-skip-button-modern,' +
'.ytp-skip-ad-button'
);
if (skipBtn) {
skipBtn.click();
return;
}
// 不可跳過廣告
if (isAdPlaying()) {
video.currentTime = video.duration || 9999;
}
}
/* =========================
4. 綁定 video（只綁一次）
========================== */
function hookVideo(video) {
if (!video || video.dataset.adbHooked) return;
video.dataset.adbHooked = '1';
// 廣告出現時自動跳過
const observer = new MutationObserver(() => {
if (isAdPlaying()) {
skipAd(video);
}
});
observer.observe(document.getElementById('movie_player'), {
attributes: true,
attributeFilter: ['class']
});
// 廣告時間更新時再補跳一次（防止新機制）
video.addEventListener('timeupdate', () => {
if (isAdPlaying()) {
video.currentTime = video.duration || 9999;
}
});
}
/* =========================
5. 監聽 video 出現（支援 SPA）
========================== */
function watchVideo() {
const observer = new MutationObserver(() => {
const video = document.querySelector('video.html5-main-video');
if (video) hookVideo(video);
});
observer.observe(document.documentElement, {
childList: true,
subtree: true
});
}
/* =========================
6. 移除反廣告彈窗
========================== */
function removePopup() {
document.querySelectorAll('ytd-enforcement-message-view-model')
.forEach(el => el.remove());
document.querySelectorAll('tp-yt-iron-overlay-backdrop')
.forEach(el => el.remove());
document.documentElement.style.overflow = '';
document.body.style.overflow = '';
}
setInterval(removePopup, 1000);
/* =========================
7. 初始化
========================== */
watchVideo();
})();