Scroll to Top/bottom

A set of floating buttons on the screen that quickly scroll to the top and bottom of the page, and scroll up/down one page.

Pada tanggal 21 Februari 2025. Lihat %(latest_version_link).

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Scroll to Top/bottom
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  A set of floating buttons on the screen that quickly scroll to the top and bottom of the page, and scroll up/down one page.
// @author       Kamiya Minoru
// @match        *://*/*
// @exclude      *://www.google.com/*
// @exclude      *://www.google.com.tw/*
// @exclude      *://www.google.co.jp/*
// @exclude      https://www.bilibili.com/
// @exclude      https://*.microsoft/*
// @exclude      https://gemini.google.com/*
// @exclude      https://chatgpt.com/
// @exclude      https://claude.ai/*
// @exclude      https://www.perplexity.ai/*
// @exclude      https://chat.deepseek.com/*
// @exclude      https://www.twitch.tv/
// @noframes
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    // Create a Trusted Types policy
    const escapeHTMLPolicy = trustedTypes.createPolicy('myEscapePolicy', {
        createHTML: (string) => string
    });

    // Create a container for the buttons
    var container = document.createElement('div');
    container.style.position = 'fixed';
    container.style.right = '10px';
    container.style.top = '185px';
    container.style.transform = 'translateY(-50%)';
    container.style.zIndex = '9999999';
    document.body.appendChild(container);

    // Function to create a button
    function createButton(innerHTML, onClick, tooltip) {
        var button = document.createElement('div');
        button.innerHTML = escapeHTMLPolicy.createHTML(innerHTML); // 使用 TrustedHTML
        button.style.width = '30px';
        button.style.height = '30px';
        button.style.cursor = 'pointer';
        button.style.backgroundColor = 'transparent';
        button.style.color = 'grey';
        button.style.textAlign = 'center';
        button.style.fontSize = '24px';
        button.style.borderRadius = '50%';
        button.style.userSelect = 'none';
        button.style.marginBottom = '8px';
        button.style.opacity = '0.4';
        button.style.transition = 'all 0.3s';
        button.style.display = 'flex';
        button.style.alignItems = 'center';
        button.style.justifyContent = 'center';
        button.style.border = '1px solid grey';
        button.title = tooltip;
        button.addEventListener('click', onClick);
        button.addEventListener('mouseover', function() {
            button.style.opacity = '1';
            button.style.filter = 'drop-shadow(0 0 1px grey)';
            button.style.color = '#FFF';
            if (tooltip === 'Close') {
                button.style.backgroundColor = 'red';
            }
        });
        button.addEventListener('mouseout', function() {
            button.style.opacity = '0.4';
            button.style.filter = 'drop-shadow(0 0 0 grey)';
            button.style.color = 'grey';
            if (tooltip === 'Close') {
                button.style.backgroundColor = 'transparent';
            }
        });
        return button;
    }

    // Create the buttons
    var topButton = createButton('⮝', function() {
        window.scrollTo({ top: 0, behavior: 'instant' });
    }, "Scroll to Top");
    var pageUpButton = createButton('↑', function() {
        window.scrollBy({ top: -window.innerHeight, behavior: 'instant' });
    }, "Page Up");
    var pageDownButton = createButton('↓', function() {
        window.scrollBy({ top: window.innerHeight, behavior: 'instant' });
    }, "Page Down");
    var bottomButton = createButton('⮟', function() {
        window.scrollTo({ top: document.body.scrollHeight, behavior: 'instant' });
    }, "Scroll to Bottom");
    var closeButton = createButton('╳', function() {
        container.style.display = 'none';
    }, "Close");

    // Create the drag button
    var dragButton = createButton('⇅', function() {}, "drag to Move");
    dragButton.style.cursor = 'grab';

    dragButton.addEventListener('mousedown', function(e) {
        dragButton.style.cursor = 'grabbing';
        var initialX = e.clientX;
        var initialY = e.clientY;
        var initialLeft = container.offsetLeft;
        var initialTop = container.offsetTop;

        function moveAt(pageX, pageY) {
            container.style.left = initialLeft + (pageX - initialX) + 'px';
            container.style.top = initialTop + (pageY - initialY) + 'px';
        }

        function onMouseMove(event) {
            moveAt(event.clientX, event.clientY);
        }

        document.addEventListener('mousemove', onMouseMove);

        document.addEventListener('mouseup', function() {
            dragButton.style.cursor = 'grab';
            document.removeEventListener('mousemove', onMouseMove);
            document.removeEventListener('mouseup', arguments.callee);
        });
    });

    dragButton.ondragstart = function() {
        return false;
    };

    // Append buttons to the container
    container.appendChild(topButton);
    container.appendChild(pageUpButton);
    container.appendChild(pageDownButton);
    container.appendChild(bottomButton);
    container.appendChild(closeButton);
    container.appendChild(dragButton);
})();