A Tampermonkey / Greasemonkey script to hide commentaries (replies) to posts in a specific VKontakte public.

vk_nocomment.js

// ==UserScript==
// @name         VK hide replies
// @namespace    artalus
// @version      1.0
// @description  Hide all replies for a specified public
// @author       Artalus
// @match        https://vk.com/*
// @grant        none
// @require  http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js
// @require  https://gist.github.com/raw/2625891/waitForKeyElements.js
// ==/UserScript==


(function() {
    'use strict';
    const PUBLICS = ['dayzstandalone']; // hide posts from publics whose id contains one of those keywords
    const DONT_HIDE = ['45608811_587703']; // don't hide posts with those ids

    function isActuallyPost(x) {
        // to use 'div._post_content' and ignore 'div.reply_wrap._reply_content._post_content.clear_fix'
        return x.getAttribute('class') === '_post_content';
    }
    function shouldHide(x) {
        let post_id = x.getElementsByClassName('post_link')[0].href;

        if (DONT_HIDE.some(d => post_id.includes(d))) {
            return false;
        }

        let public_id = x.getElementsByClassName('post_image')[0].href;
        return PUBLICS.some(p => public_id.includes(p));
    }
    function getReplies(x) {
        return Array.from(x.getElementsByClassName('replies'));
    }
    function remove(x) {
        if (x)
            x.parentNode.removeChild(x)
    }

    function killItWithFire(posts) {
        Array.from(posts)
        .filter(isActuallyPost)
        .filter(shouldHide)
        .flatMap(getReplies)
        .forEach(remove);
    }
    waitForKeyElements("._post_content", killItWithFire);
})();