Yandex to DuckDuckGo

Places a button to search with DuckDuckGo on Yandex search page

当前为 2022-01-14 提交的版本，查看最新版本。

换行

// ==UserScript==
// @name Yandex to DuckDuckGo
// @name:ru Поиск DuckDuckGo на Яндексе
// @description Places a button to search with DuckDuckGo on Yandex search page
// @description:ru Добавляет кнопку поиска на DuckDuckGo к выдаче Яндекса
// @namespace https://github.com/Autapomorph/userscripts
// @author Autapomorph
// @version 2.1.0
// @run-at document_end
// @match https://yandex.tld/*
// @supportURL https://github.com/Autapomorph/userscripts/discussions
// @license MIT
// ==/UserScript==

(function yandexDDG() {
  const urlPathname = top.location.pathname;
  if (urlPathname.indexOf('/search') === -1) return;

  const input = document.querySelector('.input__control');
  if (!input) return;

  let searchengineList = document.querySelector('.searchengines .searchengines__list');
  if (!searchengineList)
    searchengineList = document.querySelector('.LinksItem[data-vnl*="searchengines"]');

  if (!searchengineList) return;

  const googleLink = searchengineList.querySelector('a[href*="google"]');
  if (!googleLink) return;

  const searchTerm = input.value;
  const ddgLink = googleLink.cloneNode(true);
  ddgLink.textContent = 'DuckDuckGo';
  ddgLink.setAttribute('href', `//duckduckgo.com/?q=${searchTerm}`);
  searchengineList.appendChild(ddgLink);
})();