跳过登录，直接复制代码，按钮显示“自由复制”
// ==UserScript==
// @name 掘金自由复制代码按钮
// @namespace http://tampermonkey.net/
// @version 1.1
// @description 跳过登录，直接复制代码，按钮显示“自由复制”
// @match *://juejin.cn/*
// @grant GM_setClipboard
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// 工具函数：复制文本到剪贴板（兼容性好）
function copyToClipboard(text) {
if (typeof GM_setClipboard === 'function') {
GM_setClipboard(text);
} else if (navigator.clipboard && navigator.clipboard.writeText) {
navigator.clipboard.writeText(text);
} else {
// 兼容老浏览器
const textarea = document.createElement('textarea');
textarea.value = text;
document.body.appendChild(textarea);
textarea.select();
document.execCommand('copy');
document.body.removeChild(textarea);
}
}
// 监控并劫持“复制代码”按钮
function hackCopyButtons() {
const btns = document.querySelectorAll('.code-block-extension-copyCodeBtn');
btns.forEach(btn => {
// 改按钮文字
if (btn.textContent == '自由复制' || btn.textContent == '复制成功！') return;
btn.textContent = '自由复制';
// 移除原有事件（防止冒泡到原生M函数）
const newBtn = btn.cloneNode(true);
btn.parentNode.replaceChild(newBtn, btn);
// 重新绑定点击事件
newBtn.addEventListener('click', function(e) {
e.stopPropagation();
e.preventDefault();
let code = '';
let codeElem = newBtn.parentElement.parentElement.parentElement.querySelector('.code-block-extension-codeShowNum');
if (codeElem) {
code = codeElem.textContent || '';
}
code = code.replace(/\n$/, '');
copyToClipboard(code);
const oldText = newBtn.textContent;
const oldColor = newBtn.style.color;
const oldFilter = newBtn.style.filter;
newBtn.textContent = '复制成功！';
newBtn.style.color = 'red';
newBtn.style.filter = 'none';
setTimeout(() => {
newBtn.textContent = oldText;
newBtn.style.color = oldColor;
newBtn.style.filter = oldFilter;
}, 1600);
}, false);
});
}
{
function loopHack() {
hackCopyButtons();
setTimeout(loopHack, 2000);
}
loopHack();
}
})();