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Simple Ad Blocker

A simple userscript ad blocker

当前为 2023-06-01 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name Simple Ad Blocker
  3. // @namespace https://bing.com
  4. // @version 0.1
  5. // @description A simple userscript ad blocker
  6. // @match https://*/*
  7. // @grant none
  8. // ==/UserScript==
  9.  
  10. (function() {
  11.     'use strict';
  12.  
  13.     // A list of filters to block or hide ads
  14.     // Each filter is an object with a type (block or hide), a pattern (a string or a regular expression), and an optional domain (a string or an array of strings)
  15.     var filters = [
  16.         // Block requests to URLs that contain &ad_box_
  17.         {type: "block", pattern: "&ad_box_"},
  18.         // Hide elements with class name b-popup on hackernoon.com
  19.         {type: "hide", pattern: ".b-popup", domain: "hackernoon.com"},
  20.         // Hide elements with id ads on any domain
  21.         {type: "hide", pattern: "#ads"}
  22.     ];
  23.  
  24.     // Get the current domain name
  25.     var domain = window.location.hostname;
  26.  
  27.     // Loop through the filters and apply them
  28.     for (var i = 0; i < filters.length; i++) {
  29.         var filter = filters[i];
  30.         // Check if the filter matches the current domain
  31.         if (!filter.domain || filter.domain === domain || (Array.isArray(filter.domain) && filter.domain.includes(domain))) {
  32.             // Check if the filter is a block filter
  33.             if (filter.type === "block") {
  34.                 // Intercept and cancel requests to URLs that match the filter pattern
  35.                 window.addEventListener("beforescriptexecute", function(e) {
  36.                     var src = e.target.src;
  37.                     if (src && (typeof filter.pattern === "string" && src.includes(filter.pattern) || filter.pattern.test(src))) {
  38.                         e.preventDefault();
  39.                         e.stopPropagation();
  40.                         console.log("Blocked request to " + src);
  41.                     }
  42.                 });
  43.             }
  44.             // Check if the filter is a hide filter
  45.             else if (filter.type === "hide") {
  46.                 // Hide elements that match the filter pattern using CSS
  47.                 var style = document.createElement("style");
  48.                 style.textContent = filter.pattern + " { display: none !important; }";
  49.                 document.head.appendChild(style);
  50.                 console.log("Hid elements matching " + filter.pattern);
  51.             }
  52.         }
  53.     }
  54. })();