Custom element hider

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

2017-06-08 या दिनांकाला. सर्वात नवीन आवृत्ती पाहा.

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// ==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);
            }
        }
    }
})();