[greasemonkey] Add target of links which have different domains from the page

add_target_of_links.user.js

// ==UserScript==
// @name           Add target of links which have different domains from the page
// @namespace      add_link_target
// @description    Add target of links which have different domains from the page
// @include        https://*
// @include        http://*
// ==/UserScript==
(function () {
  var pattern = /^(?:https?|ftp):\/\/(.*?)\//;
  var domainDoc = document.URL.match(pattern);
  if (!domainDoc) return;
  var addTarget = function (doc) {
    var links = doc.getElementsByTagName("a");
    var domain = domainDoc[1];
    for (var i = 0; i < links.length; i += 1) {
      var link = links[i];
      var domainUrl = link.href.match(pattern);
      if (domainUrl && domainUrl[1] !== domain) {
        link.target = "_blank";
      }
    }
  };
  addTarget(document);
  
  if (window.AutoPagerize) {
    window.AutoPagerize.addDocumentFilter(addTarget);
  }
})();