// ==UserScript==// @name         回到顶部// @namespace    http://tampermonkey.net/// @version      0.2// @description  一键回到网页顶部；让页面回到最顶部。// @author       三号元素// @license      MIT// @match        *://*/*// @icon         data:image/svg+xml;base64,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// @require      https://cdn.bootcdn.net/ajax/libs/jquery/3.6.4/jquery.min.js// @grant        none// @run-at       document-start// ==/UserScript==(function() {'use strict';// Your code here...var style = document.createElement('style');style.innerHTML = `.add_gotop {cursor: pointer;position: fixed;right: 25px;bottom: 25px;z-index: 99999;display: block;width: 50px;height: 50px;background: url(data:image/svg+xml;base64,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) no-repeat 0 0;opacity: 0.5;filter: alpha(opacity=50);//动画效果outline: none;transition: all 0.30s ease-in-out;-webkit-transition: all 0.30s ease-in-out;-moz-transition: all 0.30s ease-in-out;-o-transition: all 0.30s ease-in-out;-ms-transition: all 0.30s ease-in-out;}.add_gotop:hover {background: url(data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBzdGFuZGFsb25lPSJubyI/PjwhRE9DVFlQRSBzdmcgUFVCTElDICItLy9XM0MvL0RURCBTVkcgMS4xLy9FTiIgImh0dHA6Ly93d3cudzMub3JnL0dyYXBoaWNzL1NWRy8xLjEvRFREL3N2ZzExLmR0ZCI+PHN2ZyB0PSIxNjg3ODYxMzg1ODkxIiBjbGFzcz0iaWNvbiIgdmlld0JveD0iMCAwIDEwMjQgMTAyNCIgdmVyc2lvbj0iMS4xIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHAtaWQ9IjIzNjkiIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIiB3aWR0aD0iNDgiIGhlaWdodD0iNDgiPjxwYXRoIGQ9Ik0zOS4zODQ2IDBoOTQ1LjIzMDc2OTIzMDc2OTN2MTU3LjUzODQ2MTUzODQ2MTU1aC05NDUuMjMwNzY5MjMwNzY5M1Ywek05ODQuNjE1NCA3MDguOTIzMWgtMjM2LjMwNzY5MjMwNzY5MjMydjMxNS4wNzY5MjMwNzY5MjMxaC00NzIuNjE1Mzg0NjE1Mzg0NjRWNzA4LjkyMzA3NjkyMzA3NjloLTIzNi4zMDc2OTIzMDc2OTIzMmw0NzIuNjE1NC00NzIuNjE1NEw5ODQuNjE1NCA3MDguOTIzMXoiIHAtaWQ9IjIzNzAiIGZpbGw9IiNkODFlMDYiPjwvcGF0aD48L3N2Zz4=) no-repeat 0 0px;}`;document.head.appendChild(style);let top_div = document.createElement('div');top_div.setAttribute('id','add_gotop')top_div.innerHTML = `<a class="add_gotop"></a>`;/**/document.getElementsByTagName('head')[0].after(top_div);$("#add_gotop").hide();$(window).scroll(function () {if ($(window).scrollTop() > 100) {$("#add_gotop").fadeIn()} else {$("#add_gotop").fadeOut()}});$("#add_gotop").click(function () {$('html,body').animate({'scrollTop': 0}, 500)});})();