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解放双手！点击直接返回页面顶部，再也不用一点一点往上滑啦！
// ==UserScript==
// @name 妖火网回顶部
// @namespace http://tampermonkey.net/
// @version 0.0.2
// @description 解放双手！点击直接返回页面顶部，再也不用一点一点往上滑啦！
// @license MIT
// @author 妖火id24670
// @match *://yaohuo.me/bbs*
// @match *://www.yaohuo.me/bbs*
// @icon https://www.google.com/s2/favicons?sz=64&domain=yaohuo.me
// @grant none
// ==/UserScript==
(function() {
var svg = '<?xml version="1.0" encoding="UTF-8"?><svg width="24" height="24" viewBox="0 0 48 48" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M24.0083 14.1006V42.0001" stroke="#eee" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/><path d="M12 26L24 14L36 26" stroke="#eee" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/><path d="M12 6H36" stroke="#eee" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/></svg>'
var dom = document.createElement('div')
dom.innerHTML = svg
dom.style.position = 'fixed'
dom.style.right = '20px'
dom.style.bottom = '20px'
dom.style.width = '40px'
dom.style.height = '40px'
dom.style.backgroundColor = '#4595d5'
dom.style.borderRadius = '4px'
dom.style.fontSize = '15px'
dom.style.textAlign = 'center'
dom.style.lineHeight = '40px'
dom.style.cursor = 'pointer'
dom.style.display = 'flex'
dom.style.alignItems = 'center'
dom.style.justifyContent = 'center'
dom.style.visibility = 'hidden'
document.body.appendChild(dom)
/**
* @param el 返回顶部元素按钮
* @param speed 过度速度
* @param top 自定义顶部位置
* @param distance 距离顶部距离显示按钮
*/
function scrollToTop({ el, speed = 5, top = 0, distance = 300 }) {
window.onscroll = function () {
let currentScroll = document.documentElement.scrollTop || document.body.scrollTop;
if (currentScroll > distance) {
el.style.visibility = "visible";
} else {
el.style.visibility = "hidden";
}
};
el.addEventListener('click', function () {
let currentScroll = document.documentElement.scrollTop || document.body.scrollTop;
if (currentScroll > top) {
transition()
}
});
function transition() {
let currentScroll = document.documentElement.scrollTop || document.body.scrollTop;
if (currentScroll > top) {
window.requestAnimationFrame(transition);
window.scrollTo(0, currentScroll - (currentScroll / speed));
}
}
}
scrollToTop({ el: dom });
})();