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Yandex to DuckDuckGo

Places a button to search with DuckDuckGo from Yandex search page

目前为 2020-10-13 提交的版本，查看 最新版本。

// ==UserScript==
// @name Yandex to DuckDuckGo
// @name:ru Yandex to DuckDuckGo
// @description Places a button to search with DuckDuckGo from Yandex search page
// @description:ru Добавляет кнопку поиска на DuckDuckGo к результатам поиска Яндекса
// @author Autapomorph
// @version 1.0.2
// @run-at document_start
// @match https://yandex.ru/*
// @supportURL https://github.com/Autapomorph/yandex-ddg/issues
// @license MIT
// @namespace http://greasyfork.icu/users/689919
// ==/UserScript==

(function yandexDDG() {
  var input = document.querySelector('.input__control');
  var competitorsWrapper = document.querySelector('.competitors .competitors__list');
  var googleLink = competitorsWrapper.querySelector('a[href*="google"]');

  if (!input || !competitorsWrapper || !googleLink) {
    return;
  }

  var searchTerm = input.value;

  var ddgLink = googleLink.cloneNode(true);
  ddgLink.textContent = 'DuckDuckGo';
  ddgLink.setAttribute('href', '//duckduckgo.com/?q=' + searchTerm);

  competitorsWrapper.appendChild(ddgLink);
})();