☰

closeDoublePage

Closes the old tab, if a new one with the same URL emerges

  1. // ==UserScript==
  2. // @name         closeDoublePage
  3. // @version      0.4.4
  4. // @description  Closes the old tab, if a new one with the same URL emerges
  5. // @author       CennoxX
  6. // @namespace    https://greasyfork.org/users/21515
  7. // @homepage     https://github.com/CennoxX/userscripts
  8. // @supportURL   https://github.com/CennoxX/userscripts/issues/new?title=[closeDoublePage]%20
  9. // @match        *://*/*
  10. // @grant        GM_getValue
  11. // @grant        GM_setValue
  12. // @grant        window.close
  13. // @license      MIT
  14. // ==/UserScript==
  15. /* jshint esversion: 10 */
  16. /* eslint quotes: ["warn", "double", {"avoidEscape": true}] */
  17. /* eslint curly: "off" */
  18.  
  19. sessionStorage.setItem("firstTimeOpened",new Date());
  20. GM_setValue("log", document.URL + "##" + sessionStorage.getItem("firstTimeOpened"));
  21. var oldLogs = "";
  22. setInterval(function() {
  23.     var logs = GM_getValue("log");
  24.     if (oldLogs != logs) {
  25.         if (document.URL==logs.split("##")[0] && sessionStorage.getItem("firstTimeOpened") != logs.split("##")[1])
  26.         {
  27.             window.close()
  28.         }
  29.         else
  30.         {
  31.             oldLogs = logs;
  32.         }
  33.     }
  34. }, 500);