Delete ads on fishki.net for tampermonkey

DeleteAdsOnFishki.net.js

// ==UserScript==
// @name         DeleteAdsOnFishki.net
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://fishki.net/
// @run-at       document-idle
// @grant        none
// @require      https://code.jquery.com/jquery-3.4.1.min.js
// ==/UserScript==

(function() {
    'use strict';

    // Your code here...
    var slides = document.getElementsByClassName("drag_element");
    for (var i = 0; i < slides.length; i++) {
//        console.log(window.performance.now() +":::"+slides.item(i).childNodes.length);
        NodeList.prototype.forEach = Array.prototype.forEach
        var children = slides.item(i).childNodes;
        children.forEach(function(item){
            if (typeof item.innerHTML !== "undefined"){
                const author = item.querySelector('meta[itemprop=author]');
                if (author != null){
                    const cnt = author.getAttribute('content');
                    // console.log(cnt);
                    if(cnt.indexOf("Реклама")>-1 || cnt.indexOf("RealFishki")>-1){
                        item.remove();
                    }
                }
            }
        });
    }
})();