manifest.json
{"manifest_version": 3,"name": "抖音关键词屏蔽","version": "1.0","description": "屏蔽抖音视频标题中包含'xxxxxx'关键词的视频","permissions": ["activeTab"],"content_scripts": [{"matches": ["*://*.douyin.com/*"],"js": ["content.js"],"run_at": "document_end"}],"action": {"default_popup": "popup.html"} }
content.js
// ======== 用户配置 ======== const blockWords = ['惊悚', 'steam游戏', '画离弦', '猫meme', 'roblox']; const jumpURL = 'about:blank'; // ========================== const pattern = new RegExp(blockWords.map(w => w.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')).join('|'),'i' );/* 1. 取“正在播放”的卡片节点 */ function getActiveCard() {// 正在播放的 <video> 必定带 autoplay 属性const activeVideo = document.querySelector('video[autoplay]');if (!activeVideo) return null;// 向上找最近的卡片容器return activeVideo.closest('[data-e2e="feed-item"], .dySwiperSlide'); }/* 2. 在卡片内拿标题 + account，合并文本 */ function getCurrentText() {const card = getActiveCard();if (!card) return '';const desc = card.querySelector('div.title[data-e2e="video-desc"]');const acc = card.querySelector('div.account');const t1 = desc ? desc.textContent.trim() : '';const t2 = acc ? acc.textContent.trim() : '';//console.log('[DBG] 当前卡片标题：', t1, '| account：', t2);return `${t1} ${t2}`.trim(); }/* 3. 检查 + 跳转 */ function check() {const txt = getCurrentText();if (txt && pattern.test(txt)) {//console.log('[Block] 命中关键词，立即跳转 → ', txt); location.replace(jumpURL);} }/* 4. 监听：DOM 变化 / 路由变化 */ const observer = new MutationObserver(check); observer.observe(document.body, {childList: true,subtree: true,attributes: true,attributeFilter: ['autoplay'] // <video autoplay> 出现就触发 });/* 5. 路由变化也补一次 */ let lastHref = location.href; setInterval(() => {if (location.href !== lastHref) {lastHref = location.href;setTimeout(check, 2000); // 等新卡片渲染完 } }, 2000);/* 6. 首次运行 */ check();
popup.html
<!DOCTYPE html> <html> <head><meta charset="utf-8"><!-- 关键：指定 UTF-8 --><style>body { width: 200px; padding: 12px; font: 14px/1.4 sans-serif; }.ok { color: #4CAF50; font-weight: bold; }</style> </head> <body><h3>抖音关键词屏蔽</h3><p>状态: <span class="ok">运行中</span></p><p>屏蔽关键词: xxx </p> </body> </html>