LeetCode url清理

Removes query strings from LeetCode problem description pages. (移除 LeetCode 题目描述页面的查询参数)
换行
// ==UserScript==
// @name        LeetCode url清理
// @namespace   http://tampermonkey.net/
// @version     0.2
// @description Removes query strings from LeetCode problem description pages. (移除 LeetCode 题目描述页面的查询参数)
// @icon         data:image/png;base64,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
// @author      leone
// @match       https://leetcode.cn/problems/*/description/?*
// @match       https://leetcode.cn/problems/*/?envType*
// @grant       none
// @run-at      document-start
// @license     MIT
// ==/UserScript==

(function() {
    'use strict';

    // @match 规则确保了这个脚本只会在
    // 访问 /description/ 并且后面带了查询参数 (?) 的页面上运行。

    // 获取当前的网址
    const currentUrl = window.location.href;

    // 通过 '?' 分割网址，并获取第一部分（即干净的网址）
    const cleanUrl = currentUrl.split('?')[0];

    // 跳转到干净的网址
    // 使用 replace 来替换当前的历史记录，这样点击“后退”按钮时
    // 就不会退回到带参数的网址了。
    if (currentUrl !== cleanUrl) {
        window.location.replace(cleanUrl);
    }
})();