Quora Script

quora.user.js

// ==UserScript==
// @name         Quora AdFree
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  Remove ads
// @author       Tushar
// @match        https://www.quora.com/*
// @grant        none
// @require      https://cdnjs.cloudflare.com/ajax/libs/jquery-countdown/2.0.2/jquery.plugin.min.js
// ==/UserScript==

(function() {
  'use strict';

  var observeDOM = (function() {
    var MutationObserver = window.MutationObserver || window.WebKitMutationObserver;

    return function( obj, callback ){
      if( !obj || !obj.nodeType === 1 ) return; // validation

      if( MutationObserver ){
        // define a new observer
        var obs = new MutationObserver(function(mutations, observer){
          callback(mutations);
        })
        // have the observer observe foo for changes in children
        obs.observe( obj, { childList:true, subtree:true });
      }

      else if( window.addEventListener ){
        obj.addEventListener('DOMNodeInserted', callback, false);
        obj.addEventListener('DOMNodeRemoved', callback, false);
      }
    }
  })();

  function removeAds() {
    jQuery('a[href*="ad.doubleclick.net"]').each(function() {
      jQuery(this).closest('.pagedlist_item, .HyperLinkBundle').remove();
    });

    jQuery('a[rel*="noopener nofollow"][target="_blank"] > p').each(function() {
      jQuery(this).closest('.feed_expand, .HyperLinkBundle, .Bundle').css({
        'background': 'red',
        'color': 'green'
      })
        .animate({
        height: 0
      }, 1000, function() {
        jQuery(this)
          .parent().remove();
      });
    });

    jQuery('.QuestionStoryBundle, .SuggestedTribesBundle, .SuggestedAMAsBundle, .SuggestedUsersBundle').slideUp('slow');

    jQuery('[data-clog-metadata]').each(function() {
      const val = jQuery(this).data('clog-metadata');

      if (Object.keys(val).join(',').includes('promoted_content')) {
        jQuery(this).closest('.HyperLinkFeedStory').remove();
      }
    });
  }

  setTimeout(removeAds, 3000);
  observeDOM(document.querySelector('.paged_list_wrapper'), removeAds);
})();