Greasy Fork is available in English.
显示 回到顶部、前往底部 按钮
// ==UserScript==
// @name 回到顶部、前往底部
// @version 0.2
// @description 显示 回到顶部、前往底部 按钮
// @author BIGFA
// @match *://*/*
// @icon data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor"><path d="M11.9995 0.499512L16.9492 5.44926L15.535 6.86347L12.9995 4.32794V9.99951H10.9995L10.9995 4.32794L8.46643 6.86099L7.05222 5.44678L11.9995 0.499512ZM10.9995 13.9995L10.9995 19.6704L8.46448 17.1353L7.05026 18.5496L12 23.4995L16.9497 18.5498L15.5355 17.1356L12.9995 19.6716V13.9995H10.9995Z"></path></svg>
// @noframes
// @license MIT
// @grant none
// @namespace http://greasyfork.icu/users/1445135
// ==/UserScript==
(function() {
'use strict';
// 在页面加载完成后延迟执行 main_ 函数
if (document.readyState === "complete" || (document.readyState !== "loading" && !document.documentElement.doScroll)) {
setTimeout(() => main_(), 1000);
} else {
document.addEventListener("DOMContentLoaded", function () { setTimeout(() => main_(), 1000) });
}
// 主函数，创建按钮并使用 window 作为滚动目标
function main_() {
let scrollElement = window; // 统一使用 window 作为滚动目标
createButtonToTop(scrollElement);
createButtonToBottom(scrollElement);
}
// 滚动到顶部的函数
function scrollToTop(element) {
if (element === window) {
window.scrollTo({ top: 0, behavior: 'smooth' });
} else {
element.scrollTo({ top: 0, behavior: 'smooth' });
}
}
// 滚动到底部的函数
function scrollToBottom(element) {
if (element === window) {
window.scrollTo({ top: document.documentElement.scrollHeight, behavior: 'smooth' });
} else {
element.scrollTo({ top: element.scrollHeight, behavior: 'smooth' });
}
}
// 创建“回到顶部”按钮
function createButtonToTop(scrollElement) {
const btn = document.createElement('div');
btn.innerHTML = '<svg width="50" height="50" viewBox="0 0 24 24" fill="currentColor"><title>回到顶部(右键隐藏该按钮)</title><path d="M12 2C17.52 2 22 6.48 22 12C22 17.52 17.52 22 12 22C6.48 22 2 17.52 2 12C2 6.48 6.48 2 12 2ZM13 12H16L12 8L8 12H11V16H13V12Z"></path></svg>';
btn.style.color = 'rgba(0,0,0,0.2)'; // 默认透明度20%
btn.style.position = 'fixed';
btn.style.right = '50px';
btn.style.bottom = '55px';
btn.style.cursor = 'pointer';
btn.style.background = 'transparent';
btn.style.width = '50px';
btn.style.height = '50px';
btn.style.transition = 'color 0.3s ease, transform 0.3s ease'; // 添加过渡效果
btn.style.zIndex = '9999'; // 设置高 z-index 值，确保在最上层
btn.addEventListener('mouseover', () => {
btn.style.color = 'rgba(0,0,0,0.9)'; // 悬停时透明度90%
btn.style.transform = 'scale(1.1)'; // 放大10%
});
btn.addEventListener('mouseout', () => {
btn.style.color = 'rgba(0,0,0,0.2)'; // 恢复透明度20%
btn.style.transform = 'scale(1)'; // 恢复原始大小
});
btn.onclick = () => scrollToTop(scrollElement);
btn.oncontextmenu = (e) => {
e.preventDefault();
btn.style.display = 'none';
};
document.body.appendChild(btn);
}
// 创建“前往底部”按钮
function createButtonToBottom(scrollElement) {
const btn = document.createElement('div');
btn.innerHTML = '<svg width="50" height="50" viewBox="0 0 24 24" fill="currentColor"><title>前往底部(右键隐藏该按钮)</title><path d="M12 2C17.52 2 22 6.48 22 12C22 17.52 17.52 22 12 22C6.48 22 2 17.52 2 12C2 6.48 6.48 2 12 2ZM13 12V8H11V12H8L12 16L16 12H13Z"></path></svg>';
btn.style.color = 'rgba(0,0,0,0.2)'; // 默认透明度20%
btn.style.position = 'fixed';
btn.style.right = '50px';
btn.style.bottom = '5px';
btn.style.cursor = 'pointer';
btn.style.background = 'transparent';
btn.style.width = '50px';
btn.style.height = '50px';
btn.style.transition = 'color 0.3s ease, transform 0.3s ease'; // 添加过渡效果
btn.style.zIndex = '9999'; // 设置高 z-index 值，确保在最上层
btn.addEventListener('mouseover', () => {
btn.style.color = 'rgba(0,0,0,0.9)'; // 悬停时透明度90%
btn.style.transform = 'scale(1.1)'; // 放大10%
});
btn.addEventListener('mouseout', () => {
btn.style.color = 'rgba(0,0,0,0.2)'; // 恢复透明度20%
btn.style.transform = 'scale(1)'; // 恢复原始大小
});
btn.onclick = () => scrollToBottom(scrollElement);
btn.oncontextmenu = (e) => {
e.preventDefault();
btn.style.display = 'none';
};
document.body.appendChild(btn);
}
})();