Google Search Tab-to-Arrow

Google検索の検索候補をTabキーで選択します。Tabを下矢印キー、Shift+Tabを上矢印キーの動作に変換します。

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Google Search Tab-to-Arrow
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Google検索の検索候補をTabキーで選択します。Tabを下矢印キー、Shift+Tabを上矢印キーの動作に変換します。
// @author       null
// @match        https://www.google.com/*
// @match        https://www.google.co.jp/*
// @grant        none
// @icon         https://www.google.com/s2/favicons?sz=64&domain=google.com
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    const searchInput = document.querySelector('textarea[name="q"], input[name="q"]');

    if (!searchInput) {
        return;
    }

    searchInput.addEventListener('keydown', function(e) {
        if (e.key !== 'Tab') {
            return;
        }

        e.preventDefault();
        e.stopPropagation();

        const keyToSimulate = e.shiftKey ? 'ArrowUp' : 'ArrowDown';

        searchInput.dispatchEvent(new KeyboardEvent('keydown', {
            key: keyToSimulate,
            keyCode: keyToSimulate === 'ArrowUp' ? 38 : 40,
            bubbles: true,
            cancelable: true
        }));

    }, true); // イベントを先に捕捉するためにキャプチャフェーズで実行

})();