AntiRickroll

Removes the page when you're trying to access a Rickroll page.

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         AntiRickroll
// @namespace    https://github.com/charlie-moomoo
// @version      0.2
// @description  Removes the page when you're trying to access a Rickroll page.
// @author       CharlieMoomoo
// @match        *://blogs.mtdv.me/*
// @match        *://r.mtdv.me/*
// @match        *://*.youtube.com/*
// @icon         https://static.wikia.nocookie.net/youtube/images/c/ce/RickRollButWithADifferentLink.jpg/revision/latest?cb=20201023192005
// @grant        window.onurlchange
// @license      MIT
// @run-at       document-start
// ==/UserScript==

(function() {
    'use strict';
    const run = ()=>{
        if (location.host.match(/.*\.youtube\.com/gm)){
            const rickrolls = ['dQw4w9WgXcQ','AACOcpA8i-U','j8PxqgliIno','bIwVIx5pp88','HnfkEVtetuE','QB7ACr7pUuE','mrThFRR3n8A','MCjlo7PtXMQ','a6pbjksYUHY','ll-mQPDCn-U','iik25wqIuFo','dRV6NaciZVk','LWErcuHm_C4','j7gKwxRe7MQ'];
            if (!rickrolls.includes(location.href.split('?v=')[1])) return;
        }
        document.write('Rickroll detected!<br><br>Rickroll removal powered by AntiRickroll');
        document.title = 'Rickroll detected';
        window.stop();
    }
    run()
    window.addEventListener("urlchange",run);
})();