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浏览豆瓣电影、电视剧分类时自动 加载下一页
// ==UserScript==
// @name 豆瓣电影自动加载下一页 TENG
// @namespace none
// @version 1.3
// @description 浏览豆瓣电影、电视剧分类时自动 加载下一页
// @author teng
// @include http*://movie.douban.com*
// @include http*://movie.douban.com/tag*
// @grant none
// ==/UserScript==
(function () {
'use strict';
window.onload = function () {
//防抖函数
function debound(fn, delay){
let flag = null
return function(){
if(flag!==null){
clearTimeout(flag)
}
flag = setTimeout(()=>{
fn()
},delay)
}
}
//
function getScrollTop() {
var scrollTop = 0,
bodyScrollTop = 0,
documentScrollTop = 0;
if (document.body) {
bodyScrollTop = document.body.scrollTop;
}
if (document.documentElement) {
documentScrollTop = document.documentElement.scrollTop;
}
scrollTop = (bodyScrollTop - documentScrollTop > 0) ? bodyScrollTop : documentScrollTop;
return scrollTop;
}
//文档的总高度
function getScrollHeight() {
var scrollHeight = 0,
bodyScrollHeight = 0,
documentScrollHeight = 0;
if (document.body) {
bodyScrollHeight = document.body.scrollHeight;
}
if (document.documentElement) {
documentScrollHeight = document.documentElement.scrollHeight;
}
scrollHeight = (bodyScrollHeight - documentScrollHeight > 0) ? bodyScrollHeight :
documentScrollHeight;
return scrollHeight;
}
//浏览器视口的高度
function getWindowHeight() {
var windowHeight = 0;
if (document.compatMode == "CSS1Compat") {
windowHeight = document.documentElement.clientHeight;
} else {
windowHeight = document.body.clientHeight;
}
return windowHeight;
}
function clickLoadMore() {
var loadMore = document.querySelector(".more");
if (loadMore) {
loadMore.click();
}
}
window.onscroll = function () {
if (getScrollTop() + getWindowHeight() == getScrollHeight()) {
debound(clickLoadMore, 500)()
}
};
}
})();