学习通复制粘贴助手 Chaoxing Copy Helper
// ==UserScript==
// @name 学习通复制粘贴助手 Chaoxing Copy Helper
// @namespace https://github.com/lcandy2/user.js/tree/main/websites/chaoxing.com/chaoxing-copy-helper
// @version 1.4
// @author 甜檸Cirtron (lcandy2)
// @description 📝解除超星学习通复制粘贴限制，解除学习通复制乱码问题；✨“一键复制题目”、“一键粘贴到答案”、“复制好友答案”等功能。🧹大小仅1.62KB，极小尺寸，无需任何权限，无需任何配置，安装即用。💛安全开源可读，无附加功能或远程代码，防止窃取其他信息
// @license AGPL-3.0-or-later
// @copyright lcandy2 All Rights Reserved
// @homepage https://greasyfork.org/scripts/496958
// @homepageURL https://greasyfork.org/scripts/496958
// @source https://github.com/lcandy2/user.js/tree/main/websites/chaoxing.com/chaoxing-copy-helper
// @match *://*.chaoxing.com/*
// ==/UserScript==
(function () {
'use strict';
const removeCopyLimits = () => {
document.body.removeAttribute("onselectstart");
document.documentElement.style.userSelect = "unset";
if (UE && UE.instants && typeof UE.instants === "object") {
for (const [key, instance] of Object.entries(UE.instants)) {
try {
if (instance.options) {
instance.options.disablePasteImage = false;
}
if (instance.removeListener) {
instance.removeListener("beforepaste", editorPaste);
}
} catch (error) {
console.error("[Chaoxing Copy Helper] Failed to remove copy limits from instance", key, error);
}
}
}
console.info("[Chaoxing Copy Helper] Removed copy limits.");
};
const href = window.location.href;
const addBranding = () => {
addExamBranding();
};
const addExamBranding = () => {
if (href.includes("exam-ans/exam/test")) {
const markInfo = document.querySelector(".mark_info");
if (markInfo) {
const branding = document.createElement("p");
branding.innerHTML = `已解除复制/粘贴限制<br><span style="font-size: 12px;">- 由 <a href="https://greasyfork.org/scripts/496958" target="_blank">学习通复制粘贴助手 Chaoxing Copy Helper 提供</a> -</span>`;
markInfo.appendChild(branding);
}
}
};
const removeDebuggerLimit = () => {
const constructorHook = Function.prototype.constructor;
Function.prototype.constructor = (s) => {
if (s === "debugger") {
return () => {
};
}
return constructorHook(s);
};
};
setTimeout(() => {
removeDebuggerLimit();
try {
removeCopyLimits();
} catch (error) {
console.error("[Chaoxing Copy Helper] Failed to remove copy limits.", error);
}
addBranding();
}, 1e3);
})();