extract text from https://youtube.com

extractTextFromYoutube.user.js

// ==UserScript==
// @name        youtube转文本到剪贴板
// @description 方便粘贴到 chatgpt 进行问答
// @namespace   github.com/taowen
// @match       https://www.youtube.com/*
// @version     1.0.0
// @author      taowen
// @license     MIT
// @grant       GM.registerMenuCommand
// @grant       GM_setClipboard
// ==/UserScript==
GM.registerMenuCommand("复制转录文稿到剪贴板", () => {
  const segments = [];
  for(const elem of document.getElementsByClassName('segment-text')) {
    segments.push(elem.textContent);
  }
  const text = segments.join(' ');
  GM_setClipboard (text);
  alert('copied ' + text.length + ' characters');
});