lowIqFilter.js

// ==UserScript==
// @name         Low IQ Filter
// @version      0.1
// @description  Filters the wasted space of the forum out
// @author       TryNinja
// @match        https://bitcointalk.org/index.php?topic=*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=bitcointalk.org
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const MIN_IQ = 160;

    const posts = document.querySelectorAll("#quickModForm > table.bordercolor > tbody > tr > td > table");

    posts.forEach(post => {
        const userIq = post.querySelector("td.poster_info > div > b");
        if (!userIq) return null;
        const userIqValue = Number(userIq.textContent.match(/IQ: ([0-9]+)/)[1]);

        if (userIqValue < MIN_IQ) {
            const postContentTd = post.querySelector('td.td_headerandpost');
            const postAuthorUsername = post.querySelector('td.poster_info > b > a');
            postContentTd.innerHTML = `Post ignored because the author's IQ is too low (imagine having less than ${MIN_IQ} IQ LOL)`;
            postAuthorUsername.innerHTML = 'LOW IQ DUMMY!'
            userIq.textContent = `${userIq.textContent} 🤣`
        }
    });

})();