Add a button to scroll to the bottom of the website
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// ==UserScript==
// @name Scroll to Bottom Button
// @name:zh 底部按钮
// @namespace http://tampermonkey.net/
// @version 0.4
// @description Add a button to scroll to the bottom of the website
// @description:zh
// @author ghzxs
// @match *://*/*
// @license MIT
// @grant none
// @run-at document-end
// ==/UserScript==
(function() {
'use strict';
// Base64-encoded SVG data
const base64Icon = 'PHN2ZyBzdHJva2U9ImN1cnJlbnRDb2xvciIgZmlsbD0ibm9uZSIgc3Ryb2tlLXdpZHRoPSIyIiB2aWV3Qm94PSIwIDAgMjQgMjQiIHN0cm9rZS1saW5lY2FwPSJyb3VuZCIgc3Ryb2tlLWxpbmVqb2luPSJyb3VuZCIgY2xhc3M9Imljb24tc20gbS0xIiBoZWlnaHQ9IjFlbSIgd2lkdGg9IjFlbSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48bGluZSB4MT0iMTIiIHkxPSI1IiB4Mj0iMTIiIHkyPSIxOSI+PC9saW5lPjxwb2x5bGluZSBwb2ludHM9IjE5IDEyIDEyIDE5IDUgMTIiPjwvcG9seWxpbmU+PC9zdmc+';
// Create the button
const button = document.createElement('button');
const img = document.createElement('img');
img.src = `data:image/svg+xml;base64,${base64Icon}`;
img.alt = 'Scroll to Bottom';
img.style.width = '16px'; // 宽度调整为 16px
img.style.height = '16px'; // 高度调整为 16px
img.style.display = 'block'; // 确保图标垂直居中
button.appendChild(img);
// Apply styles to the button
button.style.position = 'fixed';
button.style.bottom = '14px';
button.style.right = '14px';
button.style.zIndex = '2';
button.style.backgroundColor = 'none'; // 修正为透明背景
button.style.border = '0.5px solid transparent'; // 修正为无边框
button.style.borderRadius = '50%';
button.style.padding = '4px';
button.style.cursor = 'pointer';
button.style.display = 'flex'; // 使用 flex 布局
button.style.alignItems = 'center'; // 垂直居中
button.style.justifyContent = 'center'; // 水平居中
// Add click event listener to scroll to the bottom
button.addEventListener('click', function() {
window.scrollTo({
top: document.body.scrollHeight,
behavior: 'smooth'
});
});
// Append the button to the body
document.body.appendChild(button);
})();