Simple Scroll To Top Button

Adds a small floating button to scroll to the top of the page

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// ==UserScript==
// @name         Simple Scroll To Top Button
// @namespace    https://greasyfork.org/
// @version      1.0
// @description  Adds a small floating button to scroll to the top of the page
// @author       You
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    const button = document.createElement('button');
    button.textContent = '↑ Top';

    Object.assign(button.style, {
        position: 'fixed',
        bottom: '20px',
        right: '20px',
        zIndex: '9999',
        padding: '10px 14px',
        border: 'none',
        borderRadius: '8px',
        background: '#222',
        color: '#fff',
        cursor: 'pointer',
        fontSize: '14px',
        boxShadow: '0 2px 8px rgba(0,0,0,0.25)',
        display: 'none'
    });

    document.body.appendChild(button);

    window.addEventListener('scroll', () => {
        button.style.display = window.scrollY > 200 ? 'block' : 'none';
    });

    button.addEventListener('click', () => {
        window.scrollTo({
            top: 0,
            behavior: 'smooth'
        });
    });
})();