油猴脚本自动开启 YouTube 中文字幕

// ==UserScript== // @name YouTube 自动设置中文字幕 // @match *://youtube.com/* // @match *://*.youtube.com/* // @author kernelpanic // @description 自动设置中文字幕，如果没有则自动选择英文->简体中文翻译 // @icon https://www.youtube.com/favicon.ico // @noframes // @run-at document-idle // @version 1.0 // ==/UserScript== (() => { let main = function(event) { if (event !== undefined && event.target.numNavigations_ == 0) { return; } if (!/\/(watch)/.test(window.location.pathname)) { return; } let player = document.querySelector('.html5-video-player'); player.toggleSubtitles(); var trackList = player.getOption('captions', 'tracklist'); if (trackList === undefined) { console.log('本视频不支持字幕或翻译！'); return; } var availableTracks = trackList.map(track => track.languageCode); console.log(`支持的字幕: ${availableTracks}`) if(availableTracks.includes('zh-Hans')){ console.log('有中文字幕，直接加载！'); player.setOption('captions', 'track', {languageCode: 'zh-Hans'}); }else{ console.log('没有中文字幕，设置自动翻译'); player.setOption('captions', 'track', {"languageCode":"en","languageName":"英语","displayName":"英语","kind":"","name":null,"id":null,"is_servable":false,"is_default":false,"is_translateable":true,"vss_id":".en","translationLanguage":{"languageCode":"zh-Hans","languageName":"中文（简体）"}}); } } window.addEventListener('yt-navigate-finish', main); })();