Show hidden introduction

show the hidden introduction on Luogu

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Show hidden introduction
// @namespace    http://tampermonkey.net/
// @version      v1.0.0.2
// @description  show the hidden introduction on Luogu
// @author       limesarine
// @match        https://www.luogu.com.cn/user/*
// @license      © 2024 Limesarine. All rights reserved.
// @icon         https://www.google.com/s2/favicons?sz=64&domain=luogu.com.cn
// @grant        none
// ==/UserScript==

(function(){
    'use strict';
    const observer=new MutationObserver(()=>{
        const introduction=document.getElementsByClassName("introduction marked")[0];
        if(introduction)
        {
            introduction.style.display='block';
            introduction.parentElement.childNodes[4].style.display='none'
        }
    });
    observer.observe(document.documentElement,{childList:true,subtree:true});
})();