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Add 'Google' button to duckduckgo.com

Adds a 'Google' button below the search box to repeat the search at google

  1. // ==UserScript==
  2. // @name         Add 'Google' button to duckduckgo.com
  3. // @description  Adds a 'Google' button below the search box to repeat the search at google
  4. // @encoding     utf-8
  5. // @namespace    google_button_duckduckgo
  6. // @match        *://duckduckgo.com/*
  7. // @grant        none
  8. // @run-at       document-end
  9. // @version 0.0.1.20190401105002
  10. // ==/UserScript==
  11.  
  12.  
  13. (function() {
  14.   console.log('running');
  15.   function searchOnGoogle() {
  16.     var searchString = document.getElementById('search_form_input').value;
  17.     document.location = "https://google.com/search?q=" + encodeURIComponent(searchString);
  18.   }
  19.   var elem = document.getElementsByClassName("header__content  header__search")[0];
  20.   if (elem && !document.getElementById('search_on_google')) {
  21.     var div = document.createElement('div');
  22.     div.id='search_on_google';
  23.     var button = document.createElement('button');
  24.     button.innerText = 'Google';
  25.     button.onclick = searchOnGoogle
  26.     div.appendChild(button);
  27.     elem.appendChild(div);
  28.   }
  29. })();