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一键回到网页顶部；让页面回到最顶部。
当前为
// ==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,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) 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)
});
})();