Double-click on a math formula on supported websites (Wikipedia, ChatGPT, Google AI Studio, Gemini, DeepSeek, Moonshot, Luogu, StackExchange, Zhihu, Doubao, OIWiki, IEEE Xplore, ChatBox AI) to copy it to the clipboard, then paste it into Microsoft Word
// ==UserScript==
// @name Double-click Math Formula to Copy to Word
// @namespace http://tampermonkey.net/
// @version 1.4
// @license GPLv3
// @description Double-click on a math formula on supported websites (Wikipedia, ChatGPT, Google AI Studio, Gemini, DeepSeek, Moonshot, Luogu, StackExchange, Zhihu, Doubao, OIWiki, IEEE Xplore, ChatBox AI) to copy it to the clipboard, then paste it into Microsoft Word
// @author Bui Quoc Dung
// @match *://*.wikipedia.org/*
// @match *://chatgpt.com/*
// @match *://gemini.google.com/*
// @match *://aistudio.google.com/*
// @match *://*.stackexchange.com/*
// @match *://*.deepseek.com/*
// @match *://*.zhihu.com/*
// @match *://*.moonshot.cn/*
// @match *://*.oiwiki.org/*
// @match *://*.luogu.com.cn/*
// @match *://*.luogu.com/*
// @match *://*.doubao.com/*
// @match *://*.chatboxai.app/*
// @match *://ieeexplore.ieee.org/*
// ==/UserScript==
(function() {
'use strict';
const css = `
.math-hover-effect {
background-color: rgba(255, 215, 0, 0.25) !important;
transition: background-color 0.2s ease;
cursor: pointer !important;
}
.mathml-copy-success {
position: absolute;
background-color: rgba(0, 0, 0, 0.8);
color: #fff;
padding: 5px 12px;
border-radius: 4px;
font-size: 12px;
font-family: sans-serif;
z-index: 9999;
opacity: 1;
transition: opacity 0.5s;
pointer-events: none;
box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
`;
const styleSheet = document.createElement("style");
styleSheet.type = "text/css";
styleSheet.innerText = css;
document.head.appendChild(styleSheet);
const siteConfig = [
{ name: "Wikipedia", match: /wikipedia\.org/, selector: 'span.mwe-math-element', type: 'mathml' },
{ name: "Zhihu", match: /zhihu\.com/, selector: 'span.ztext-math', type: 'mathml' },
{ name: "OIWIKI", match: /oiwiki\.org/, selector: 'mjx-container.MathJax', type: 'mathml' },
{ name: "Doubao", match: /doubao\.com/, selector: 'span.math-inline', type: 'mathml' },
{ name: "IEEE Xplore", match: /ieeexplore\.ieee\.org/, selector: 'span[id^="MathJax-Element-"][id$="-Frame"]', type: 'mathml' },
{ name: "StackExchange", match: /stackexchange\.com/, selector: 'span.math-container', type: 'mathml' },
{ name: "Gemini", match: /gemini\.google\.com/, selector: '[data-math]', type: 'latex' },
{ name: "Others", match: /(chatgpt\.com|aistudio\.google\.com|deepseek\.com|moonshot\.cn|luogu\.com(?:\.cn)?|chatboxai\.app)/, selector: 'span.katex', type: 'mathml' }
];
function getCurrentSiteConfig(url) {
return siteConfig.find(site => site.match.test(url)) || null;
}
function extractMathML(element) {
let mathML = element.querySelector('math');
return mathML ? mathML.outerHTML : null;
}
function extractLaTeX(element) {
if (element.hasAttribute('data-math')) return element.getAttribute('data-math');
return null;
}
function extractMathString(element, type) {
if (type === 'mathml') return extractMathML(element);
if (type === 'latex') return extractLaTeX(element);
return null;
}
function showCopySuccessTooltip(event) {
const copyTooltip = document.createElement("div");
copyTooltip.className = "mathml-copy-success";
copyTooltip.innerText = "Copied";
document.body.appendChild(copyTooltip);
const x = event.clientX;
const y = event.clientY;
copyTooltip.style.left = `${x}px`;
copyTooltip.style.top = `${y - 30}px`;
setTimeout(() => {
copyTooltip.style.opacity = "0";
setTimeout(() => {
if (copyTooltip.parentNode) document.body.removeChild(copyTooltip);
}, 500);
}, 1000);
}
function attachHandlers() {
const config = getCurrentSiteConfig(window.location.href);
if (!config) return;
document.querySelectorAll(config.selector).forEach(element => {
if (element.dataset.mathCopyAttached) return;
element.dataset.mathCopyAttached = "true";
element.addEventListener('mouseenter', () => element.classList.add('math-hover-effect'));
element.addEventListener('mouseleave', () => element.classList.remove('math-hover-effect'));
element.ondblclick = (event) => {
event.stopPropagation();
event.preventDefault();
const mathString = extractMathString(element, config.type);
if (mathString) {
navigator.clipboard.writeText(mathString).then(() => showCopySuccessTooltip(event));
} else {
console.warn("No math content found inside this element.");
}
window.getSelection().removeAllRanges();
};
});
}
document.addEventListener('DOMContentLoaded', attachHandlers);
new MutationObserver(attachHandlers).observe(document.body, { childList: true, subtree: true });
})();