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intrepidOlivia / Know Your Meme Cleanser

// ==UserScript==
// @name         Know Your Meme Cleanser
// @namespace    http://pixelstomp.com/
// @version      2.2
// @description  Removes ads, whitelisting messages, and other spammy nonsense from Know Your Meme.
// @author       intrepidOlivia
// @match        *://*.knowyourmeme.com/*
// @copyright    2018 - 2021, intrepidOlivia (https://openuserjs.org//users/intrepidOlivia)
// @icon         https://knowyourmeme.com/assets/favicons/favicon-32x32.png
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';
    function removeElements(selector, exception) {
        const elems = document.querySelectorAll(selector);
        for (let i = 0; i < elems.length; i++) {
            if (exception) {
                if (!exception(elems[i])) {
                  elems[i].remove();
                }
            } else {
              elems[i].remove();
            }
        }
    }
    function iframeException(elem) {
        let isException = false;

        // Allow iFrames for things like Google Analytics
        const EXCLUDED_PARENT_CLASSES = ['google-trends-embed-wrapper'];
        const parentClasses = Array.from(elem.parentElement.classList);
        for (let className of EXCLUDED_PARENT_CLASSES) {
            if (parentClasses.includes(className)) {
                isException = true;
            }
        }

        // Allow Youtube embeds
        if (elem.src && elem.src.includes('youtube.com')) {
          isException = true;
        }

        return isException;
    }
    const bulldozer = setInterval(() => {
        removeElements('.blocker');
        removeElements('#leaderboard');
        removeElements('#trending-bar');
        removeElements('iframe', iframeException);
        removeElements('#anyclip');
        removeElements('#pmc-atlasmg-adhesion-bar');
        removeElements('.sticky-sidebar');
        removeElements('.entry-insert');
        removeElements('.ac-widget-placeholder');
    }, 1000);
})();