Remove ads, posts, blogs, and other annoyances from Quora feed

tamperquora.js

// ==UserScript==
// @name         Clean Quora
// @namespace    http://www.thescrapyard.org/
// @version      0.2
// @description  Remove blog posts from Quora feed
// @author       You
// @match        https://www.quora.com/
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    function killpost(post) {
        while (!post.classList.contains('outer_content_box') && !post.classList.contains('feed_story') && !post.classList.contains('FeedStory') && !post.classList.contains('HyperLinkFeedStory') && !post.classList.contains('AdBundle') && !post.classList.contains('AdStory') && !post.classList.contains('InteractionModeBanner'))
            post = post.parentElement;
        post.parentElement.removeChild(post);
        return 1;
    }

    function clean() {
        Array.from(document.getElementsByClassName('PostBoardItemView')).filter(killpost);
        Array.from(document.getElementsByClassName('HyperLinkFeedStory')).filter(killpost);
        Array.from(document.getElementsByClassName('promoted_weblink')).filter(killpost);
    }

    setInterval(clean, 1000);
})();