Scroll To Top/Bottom Button

Add buttons to scroll to top and bottom of page in the bottom right corner of the screen
Zeptejte se na otázku, přidejte recenzi nebo skript nahlašte.
Wrap lines
// ==UserScript==
// @name         Scroll To Top/Bottom Button
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Add buttons to scroll to top and bottom of page in the bottom right corner of the screen
// @match        *://*/*
// @grant        GM_addStyle
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    // Check if running in top-level document and not in an iframe
    if (window.self === window.top && !window.frameElement) {
        // Define the styles for the buttons
        var styles = `
            .scroll-to-btn {
                position: fixed;
                right: 20px;
                font-size: 50px;
                border: none;
                color: white;
                border-radius: 10%;
                cursor: pointer;
                z-index: 9999; /* set z-index to a high value */
                background-color: transparent;
                filter: grayscale(90%);
                /* transform: rotateX(30deg)  translateZ(50px) ;*/
            }
            .scroll-to-btn.top {
                bottom: 95px;
            }
            .scroll-to-btn.bottom {
                bottom: 40px;
            }
        `;

        // Add the styles to the page
        GM_addStyle(styles);

        // Create the scroll to top button
        var scrollToTopBtn = document.createElement("button");
        scrollToTopBtn.innerText = "🔼";
        scrollToTopBtn.classList.add("scroll-to-btn", "top");
        scrollToTopBtn.addEventListener("click", function() {
            window.scrollTo({top: 0, behavior: 'smooth',timingFunction: 'cubic-bezier(0,.84,.49,.99)'});
        });

        // Create the scroll to bottom button
        var scrollToBottomBtn = document.createElement("button");
        scrollToBottomBtn.innerText = "🔽";
        scrollToBottomBtn.classList.add("scroll-to-btn", "bottom");
        scrollToBottomBtn.addEventListener("click", function() {
            window.scrollTo({top: document.body.scrollHeight, behavior: 'smooth',timingFunction: 'cubic-bezier(0,.84,.49,.99)'});
        });

        // Add the buttons to the page
        document.body.appendChild(scrollToTopBtn);
        document.body.appendChild(scrollToBottomBtn);
    }
})();