// ==UserScript==
// @name         去复制后的小尾巴
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  复制文字时自动去除网站自带的版权信息
// @author       You
// @match        https://leetcode.cn/*
// @match        https://www.jianshu.com/p/*
// @match        https://www.bilibili.com/read/*
// @match        https://juejin.cn/post/*
// @match        https://www.acwing.com/file_system/file/content/whole/index/content/*
// @match        https://*.nowcoder.com/*
// @license      GPL-3.0 License
// @grant        none
// @downloadURL none
// ==/UserScript==

(function () {
  "use strict";
  function handleCopy(e) {
    e.stopPropagation();
    const copytext = window.getSelection();
    const clipdata = e.clipboardData || window.clipboardData;

    if (clipdata) {
      clipdata.setData("Text", copytext);
    }
  }

  document.addEventListener("copy", handleCopy, true);
})();