Custom element hider

To show how one can hide elements like an ad blocker using userscripts

As of 08.06.2017. See ბოლო ვერსია.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Custom element hider
// @namespace    https://zachsaucier.com/
// @version      0.1
// @description  To show how one can hide elements like an ad blocker using userscripts
// @author       Zach Saucier
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Set our list of sites and elements to block
    var blockList = [
        "www.youtube.com###watch7-sidebar-contents",
        "www.youtube.com##.yt-masthead-logo-container",
        "www.facebook.com##._1uh-:nth-of-type(2)",
        "www.facebook.com##._2t-e > ._4kny:nth-of-type(1)",
        "www.facebook.com##._1uh-:nth-of-type(1)",
        "www.facebook.com##._50tj._2t-a",
        "www.facebook.com##._50ti._2s1y._5rmj._26aw._2t-a",
        "www.facebook.com###u_0_0",
        "www.facebook.com###fbDockChatBuddylistNub > .fbNubButton"
    ];

    // Get the window's hostname
    var windowHostname = window.location.hostname;

    // Iterate through the blocklist, hiding elements as needed
    for(var i = 0; i < blockList.length; i++) {
        var entryParts = blockList[i].split('##');

        // Compare the hostnames; Only remove elements if they match
        if(windowHostname === entryParts[0]) {
            // Find the elements if they exists
            var matchedElements = document.querySelectorAll(entryParts[1]);

            // Actually remove the element(s) that match
            for(var j = 0; j < matchedElements.length; j++) {
                var matchedElem = matchedElements[j];

                matchedElem.parentNode.removeChild(matchedElem);
            }
        }
    }
})();