ChatGPT UP DOWN buttons

up/down buttons for chatgpt

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         ChatGPT UP DOWN buttons
// @namespace    http://tampermonkey.net/
// @version      2026-07-25
// @description  up/down buttons for chatgpt
// @author       Johann Nather
// @match        https://chatgpt.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=chatgpt.com
// @grant        none
// @license      GNU GPLv3
// ==/UserScript==
(function () {
    "use strict";

    // Mehrfaches Einfügen verhindern
    if (document.getElementById("chat-scroll-buttons")) return;

    // Chat-Container suchen
    function getScrollContainer() {
        let best = document.scrollingElement;
        let maxScroll = 0;

        document.querySelectorAll("*").forEach((el) => {
            const style = getComputedStyle(el);

            if (
                (style.overflowY === "auto" || style.overflowY === "scroll") &&
                el.scrollHeight > el.clientHeight + 50
            ) {
                const scroll = el.scrollHeight - el.clientHeight;
                if (scroll > maxScroll) {
                    maxScroll = scroll;
                    best = el;
                }
            }
        });

        return best;
    }

    function scrollTop() {
        getScrollContainer().scrollTo({
            top: 0,
            behavior: "smooth",
        });
    }

    function scrollBottom() {
        const c = getScrollContainer();
        c.scrollTo({
            top: c.scrollHeight,
            behavior: "smooth",
        });
    }
    // Container für Buttons
    const wrapper = document.createElement("div");
    wrapper.id = "chat-scroll-buttons";
wrapper.style.cssText = `
    position: fixed;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 999999;
`;
    function createButton(symbol, onClick) {
        const btn = document.createElement("button");

        // btn.textContent = symbol;
        btn.innerHTML = symbol;
        btn.style.cssText = `
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 100, 0, 0.5);
    color: black;
    font-size: 19px;
    font-weight: bold;
    line-height: 32px;
    text-align: center;
    cursor: pointer;
    user-select: none;
    box-shadow: 0 3px 8px rgba(0,0,0,.35);
    transition: transform .15s, background-color .2s;
`;
        //-----------------------------------------------------------------------------------
        //-----------------------------------------------------------------------------------
        //-----------------------------------------------------------------------------------
        btn.onmouseenter = () => {
            btn.style.transform = "scale(1.08)";
            btn.style.backgroundColor = "rgba(139, 0, 0, 0.5)"; // dunkelrot, 50% transparent
        };

        btn.onmouseleave = () => {
            btn.style.transform = "scale(1)";
            btn.style.backgroundColor = "rgba(0, 100, 0, 0.5)"; // dunkelgrün, 50% transparent
        };
        btn.onclick = onClick;
        return btn;
    }
    //wrapper.appendChild(createButton("⬆", scrollTop));
    //wrapper.appendChild(createButton("⬇", scrollBottom));

    wrapper.appendChild(createButton("▲", scrollTop));
    wrapper.appendChild(createButton("▼", scrollBottom));

    document.body.appendChild(wrapper);
})();