油猴脚本-3

// ==UserScript==
// @name 懒人专用，全网VIP视频免费破解去广告、全网音乐直接下载、百度网盘直接下载、知乎视频下载等多合一版。长期更新，放心使用。
// @namespace lanhaha
// @version 2.3.6
// @description 自用组合型多功能脚本，集合了优酷、爱奇艺、腾讯、芒果等全网VIP视频免费破解去广告，网易云音乐、QQ音乐、酷狗、酷我、虾米、蜻蜓FM、荔枝FM、喜马拉雅等网站音乐免客户端下载，百度网盘直接下载，知乎视频下载，优惠券查询等几个自己常用的功能。
// @author lanhaha，syhyz1990，Chao，zuihuimai
// @include *://pan.baidu.com/disk/home*
// @include *://yun.baidu.com/disk/home*
// @include *://pan.baidu.com/s*
// @include *://yun.baidu.com/s*
// @include *://*.zhihu.com/*
// @include *://v.vzuu.com/video/*
// @include *v.youku.com/v_*
// @include *m.youku.com/v*
// @include *m.youku.com/a*
// @include *v.qq.com/x/*
// @include *v.qq.com/p*
// @include *v.qq.com/cover*
// @include *v.qq.com/tv/*
// @include *film.sohu.com/album/*
// @include *tv.sohu.com/*
// @include *.iqiyi.com/v_*
// @include *.iqiyi.com/w_*
// @include *.iqiyi.com/a_*
// @include *.le.com/ptv/vplay/*
// @include *.tudou.com/listplay/*
// @include *.tudou.com/albumplay/*
// @include *.tudou.com/programs/view/*
// @include *.tudou.com/v*
// @include *.mgtv.com/b/*
// @include *.acfun.cn/v/*
// @include *.bilibili.com/video/*
// @include *.bilibili.com/anime/*
// @include *.bilibili.com/bangumi/play/*
// @include *.pptv.com/show/*
// @include *://*.baofeng.com/play/*
// @include *://*.wasu.cn/Play/show*
// @include *://v.yinyuetai.com/video/*
// @include *://v.yinyuetai.com/playlist/*
// @include *://item.taobao.com/*
// @include *://*detail.tmall.com/*
// @include *://*detail.tmall.hk/*
// @include *://*.liangxinyao.com/*
// @include *://music.163.com/song*
// @include *://music.163.com/m/song*
// @include *://y.qq.com/n/*
// @include *://*.kugou.com/song*
// @include *://*.kuwo.cn/yinyue*
// @include *://*.kuwo.cn/play_detail*
// @include *://*.xiami.com/*
// @include *://music.taihe.com/song*
// @include *://*.1ting.com/player*
// @include *://music.migu.cn/v*
// @include *://*.lizhi.fm/*
// @include *://*.qingting.fm/*
// @include *://*.ximalaya.com/*
// @exclude *://*.eggvod.cn/*
// @connect d.pcs.baidu.com
// @require https://cdn.jsdelivr.net/npm/jquery@3.2.1/dist/jquery.min.js
// @require https://cdn.jsdelivr.net/npm/sweetalert2@9
// @license GPL License
// @grant GM_download
// @grant GM_openInTab
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_xmlhttpRequest
// @grant GM_addStyle
// @grant unsafeWindow
// @grant GM_setClipboard
// @grant GM_getResourceURL
// @grant GM_getResourceText
// ==/UserScript==

//百度网盘
(function() {
var pan_title=new Array()
pan_title[0]= "https://pan.baidu.com/"
pan_title[1]= "https://yun.baidu.com/"
let pan_link = location.href;
for(var a=0;a<pan_title.length;a++){
if(pan_link.indexOf(pan_title[a])!= -1){
pan_link = pan_link.replace('baidu.com','baiduwp.com');
var pan_html = "<a href="+pan_link+" target='_blank' style='cursor:pointer;z-index:98;display:block;30px;height:30px;line-height:30px;position:fixed;left:0;top:300px;text-align:center;'><img src='https://cdn.80note.com/vip.gif' style='50px' ></a>";
$("body").append(pan_html);

'use strict'
//百度网盘脚本开始
var _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (e) {
return typeof e;
} : function (e) {
return e && "function" == typeof Symbol && e.constructor === Symbol && e !== Symbol.prototype ? "symbol" : typeof e;
};
!function () {
function e(e, t, i) {
e = e || "", t = t || "", i = i || "", console.group("[百度网盘直链下载助手]"), console.log(e, t, i), console.groupEnd();
}

function i(e, i, n) {
var a = t();
return n = n || m, a ? 'aria2c "' + e + '" --out "' + i + '" --header "User-Agent: ' + n + '" --header "Cookie: BDUSS=' + a + '"' : "请先安装网盘万能助手，安装后请重启浏览器！！！";
}

function n(e) {
return e ? e.replace(/&/g, "&") : "";
}

function o() {
var e = /[/].+[/]/g;
return location.pathname.match(e)[0].replace(///g, "");
}

function r(e) {
var t = void 0, i = void 0, n = document, a = decodeURI;
return n.cookie.length > 0 && -1 != (t = n.cookie.indexOf(e + "=")) ? (t = t + e.length + 1, i = n.cookie.indexOf(";", t), -1 == i && (i = n.cookie.length), a(n.cookie.substring(t, i))) : "";
}

function l() {
function e(e) {
if (e.length < 2) {
var t = e.charCodeAt(0);
return 128 > t ? e : 2048 > t ? d(192 | t >>> 6) + d(128 | 63 & t) : d(224 | t >>> 12 & 15) + d(128 | t >>> 6 & 63) + d(128 | 63 & t);
}
var i = 65536 + 1024 * (e.charCodeAt(0) - 55296) + (e.charCodeAt(1) - 56320);
return d(240 | i >>> 18 & 7) + d(128 | i >>> 12 & 63) + d(128 | i >>> 6 & 63) + d(128 | 63 & i);
}

function t(t) {
return (t + "" + Math.random()).replace(l, e);
}

function i(e) {
var t = [0, 2, 1][e.length % 3],
i = e.charCodeAt(0) << 16 | (e.length > 1 ? e.charCodeAt(1) : 0) << 8 | (e.length > 2 ? e.charCodeAt(2) : 0);
return [o.charAt(i >>> 18), o.charAt(i >>> 12 & 63), t >= 2 ? "=" : o.charAt(i >>> 6 & 63), t >= 1 ? "=" : o.charAt(63 & i)].join("");
}

function n(e) {
return e.replace(/[sS]{1,3}/g, i);
}

function a() {
return n(t((new Date).getTime()));
}

var o = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/~！@#￥%……&",
l = /[uD800-uDBFF][uDC00-uDFFFF]|[^x00-x7F]/g, d = String.fromCharCode;
return function (e, t) {
return t ? a(String(e)).replace(/[+/]/g, function (e) {
return "+" == e ? "-" : "_";
}).replace(/=/g, "") : a(String(e));
}(r("BAIDUID"));
}

function d() {
function e() {
$("div.dialog-body", o).children().remove(), $("div.dialog-header h3 span.dialog-title", o).text(""), $("div.dialog-tip p", o).text(""), $("div.dialog-button", o).hide(), $("div.dialog-radio input[type=radio][name=showmode][value=multi]", o).prop("checked", !0), $("div.dialog-radio", o).hide(), $("div.dialog-button button#dialog-copy-button", o).hide(), $("div.dialog-button button#dialog-edit-button", o).hide(), $("div.dialog-button button#dialog-exit-button", o).hide(), o.hide(), r.hide();
}

function s(e, t) {
function i() {
$("#dialog-img", n).attr("src", ""), $("#dialog-err").text(""), n.hide(), a.hide();
}

function c() {
function t() {
return require("disk-system:widget/pageModule/list/listInit.js").getCheckedItems();
}

function i() {
N = C(), U = O.timestamp, B = O.MYBDSTOKEN, z = l();
}

function n() {
o(), r();
}

function u() {
GM_setValue("secretCodeNew", g), x.fire({text: "恢复默认成功，3s后将自动刷新", icon: "success"}).then(function () {
history.go(0);
});
}

function _() {
return 1 === O.ISSVIP;
}

function S() {
GM_openInTab("https://www.baiduyun.wiki", {active: !0});
}

function C() {
var e = void 0;
try {
e = new Function("return " + O.sign2)();
} catch (e) {
throw new Error(e.message);
}
return a(e(O.sign5, O.sign1));
}

function j(e) {
if (0 === e.length) return null;
var t = [];
return $.each(e, function (e, i) {
t.push(i.fs_id);
}), "[" + t + "]";
}

function D() {
function e(e, t) {
return Math.round(Math.random() * (e - t) + t);
}

for (var t = "", i = 0; i < 4; i++) {
t = t + e(0, 9) + String.fromCharCode(e(97, 122)) + String.fromCharCode(e(65, 90));
}
for (var n = "", i = 0; i < 4; i++) n += t[e(0, t.length - 1)];
return n;
}

function V(e) {
return W + "file?method=download&path=" + encodeURIComponent(e) + "&app_id=" + w;
}

function E(e) {
$("#helperdownloadiframe").attr("src", e);
}

function R() {
var e = $('<div class="helper-hide" style="padding:0;margin:0;display:block"></div>'),
t = $('<iframe src="javascript:;" id="helperdownloadiframe" style="display:none"></iframe>');
e.append(t), $("body").append(e);
}

var O = void 0, N = void 0, U = void 0, B = void 0, z = void 0, L = void 0, H = [], q = [], F = [], J = void 0,
W = (location.protocol, location.host, location.protocol + "//pcs.baidu.com/rest/2.0/pcs/");
location.protocol;
this.init = function () {
if (O = unsafeWindow.yunData, e("初始化信息:", O), void 0 === O) return e("页面未正常加载，或者百度已经更新！"), !1;
i(), n(), s(), R(), J = new d({addCopy: !0}), e("下载助手加载成功！当前版本：", h);
};
}

function p() {
function t() {
Z = o(), V = I.SIGN, E = I.TIMESTAMP, R = I.MYBDSTOKEN, O = "chunlei", N = 0, U = 1, B = w, z = l(), L = 0, H = "share", F = I.SHARE_ID, q = I.SHARE_UK, "secret" == Z && (W = p()), c() || (K = I.SHARE_ID);
}

function i() {
return c() ? I.FILEINFO : require("disk-share:widget/pageModule/list/listInit.js").getCheckedItems();
}

function o() {
return 1 === I.SHARE_PUBLIC ? "public" : "secret";
}

function c() {
return void 0 === I.getContext;
}

function p() {
return '{"sekey":"' + decodeURIComponent(r("BDCLND")) + '"}';
}

function u() {
c() ? ($("div.slide-show-right").css("width", "500px"), $("div.frame-main").css("width", "96%"), $("div.share-file-viewer").css("width", "740px").css("margin-left", "auto").css("margin-right", "auto")) : $("div.slide-show-right").css("width", "500px");
var e = $('<span class="g-dropdown-button"></span>'),
t = $('<a class="g-button g-button-blue" style=" 114px;" data-button-id="b200" data-button-index="200" href="javascript:;"></a>'),
i = $('<span class="g-button-right"><em class="icon icon-picpre-download" title="百度网盘下载助手"></em><span class="text" style=" 60px;">下载助手</span></span>'),
n = $('<span class="menu" style="auto;z-index:41"></span>'),
a = $('<a data-menu-id="b-menu207" class="g-button-menu" href="javascript:;">直接下载</a>'),
o = $('<a data-menu-id="b-menu208" class="g-button-menu" href="javascript:;" data-type="down">显示链接</a>'),
r = $('<a data-menu-id="b-menu208" class="g-button-menu" href="javascript:;">显示Aria链接</a>'),
l = $('<a data-menu-id="b-menu208" class="g-button-menu" href="javascript:;" data-type="rpc">导出到RPC</a>'),
d = $('<a data-menu-id="b-menu209" style="color: #e85653;font-weight: 700;" class="g-button-menu" href="javascript:;">Ver ' + h + "</a>");
n.append(a).append(o).append(r).append(l), t.append(i), e.append(t).append(n), e.hover(function () {
e.toggleClass("button-open");
}), a.click(S), l.click(C), o.click(C), r.click(g), d.click(f), $("div.module-share-top-bar div.bar div.x-button-box").append(e);
}

function f() {
GM_openInTab("https://www.baiduyun.wiki", {active: !0});
}

function b() {
var e = $('<div class="helper-hide" style="padding:0;margin:0;display:block"></div>'),
t = $('<iframe src="javascript:;" id="helperdownloadiframe" style="display:none"></iframe>');
e.append(t), $("body").append(e);
}

function y() {
_();
}

function A() {
X = T(), $("#dialog-img").attr("src", X.img);
}

function M() {
var e = [];
return $.each(te, function (t, i) {
e.push(i.fs_id);
}), "[" + e + "]";
}

function D(t) {
e("下载链接：" + t), t && GM_xmlhttpRequest({
method: "POST",
headers: {"User-Agent": m},
url: t,
onload: function (e) {
}
});
}

var I = void 0, V = void 0, E = void 0, R = void 0, O = void 0, N = void 0, U = void 0, B = void 0, z = void 0,
L = void 0, H = void 0, q = void 0, F = void 0, J = void 0, W = void 0, K = void 0, X = void 0, Z = void 0,
Y = void 0, Q = void 0, ee = void 0, te = [], ie = location.protocol + "//" + location.host + "/api/";
this.init = function () {
if (GM_getValue("SETTING_P") && n(), I = unsafeWindow.yunData, e("初始化信息:", I), void 0 === I) return void e("页面未正常加载，或者百度已经更新！");
t(), u(), Q = new d({addCopy: !1}), ee = new s(A, G), b(), y(), e("下载助手加载成功！当前版本：", h);
};
}

function u() {
function t() {
switch (o()) {
case"disk":
return void (new c).init();
case"share":
case"s":
return void (new p).init();
default:
return;
}
}

function n() {
setTimeout(function () {
var e = $("." + f.header),
t = $('<span class="cMEMEF" node-type="help-author" style="opacity: .5" ><a href="https://www.baiduyun.wiki/" target="_blank">教程</a><i class="find-light-icon" style="display: inline;background-color: #009fe8;"></i></span>');
e.append(t);
}, 2e3);
}

e("RPC：", k), this.init = function () {
r(), i(), GM_getValue("SETTING_H") && n(), a();
};
}

$('#J_LinkBasket').parent().after(loading_html);
$('.J_LinkAdd').parent().after(loading_html);
if(window.location.host.search('taobao.com') != -1){
$('#zhm_table').addClass('zhm_tab_taobao');
}else{
$('#zhm_table').addClass('zhm_tab_tmall');
}

$.get(zhm_url,{goods_id:goods_id},function(data){
$('#zhm_div_s').html(data);
$('#zhm_div_s').html(data);
if(window.location.host.search('taobao.com') != -1){
$('#zhm_table').addClass('zhm_tab_taobao');
}else{
$('#zhm_table').addClass('zhm_tab_tmall');
}
});
}
}
});
}

const playlistBaseUrl = 'https://lens.zhihu.com/api/videos/';
//const videoBaseUrl = 'https://video.zhihu.com/video/';
const videoId = window.location.pathname.split('/').pop(); // 视频id
const menuStyle = 'transform:none !important; left:auto !important; right:-0.5em !important;';
const playerId = 'player';
const coverSelector = '#' + playerId + ' > div:first-child > div:first-child > div:nth-of-type(2)';
const controlBarSelector = '#' + playerId + ' > div:first-child > div:first-child > div:last-child > div:last-child > div:first-child';
const svgDownload = '<path d="M9.5,4 H14.5 V10 H17.8 L12,15.8 L6.2,10 H9.5 Z M6.2,18 H17.8 V20 H6.2 Z"></path>';
let player = document.getElementById(playerId);
let resolutionMap = {'标清': 'sd', '高清': 'ld', '超清': 'hd'};
let videos = []; // 存储各分辨率的视频信息
let downloading = false;

function getBrowerInfo() {
let browser = (function (window) {
let document = window.document;
let navigator = window.navigator;
let agent = navigator.userAgent.toLowerCase();
// IE8+支持.返回浏览器渲染当前文档所用的模式
// IE6,IE7:undefined.IE8:8(兼容模式返回7).IE9:9(兼容模式返回7||8)
// IE10:10(兼容模式7||8||9)
let IEMode = document.documentMode;
let chrome = window.chrome || false;
let system = {
// user-agent
agent: agent,
// 是否为IE
isIE: /trident/.test(agent),
// Gecko内核
isGecko: agent.indexOf('gecko') > 0 && agent.indexOf('like gecko') < 0,
// webkit内核
isWebkit: agent.indexOf('webkit') > 0,
// 是否为标准模式
isStrict: document.compatMode === 'CSS1Compat',
// 是否支持subtitle
supportSubTitle: function () {
return 'track' in document.createElement('track');
},
// 是否支持scoped
supportScope: function () {
return 'scoped' in document.createElement('style');
},

// 获取IE的版本号
ieVersion: function () {
let rMsie = /(msies|trident.*rv:)([w.]+)/;
let match = rMsie.exec(agent);
try {
return match[2];
} catch (e) {
return IEMode;
}
},
// Opera版本号
operaVersion: function () {
try {
if (window.opera) {
return agent.match(/opera.([d.]+)/)[1];
}
else if (agent.indexOf('opr') > 0) {
return agent.match(/opr/([d.]+)/)[1];
}
} catch (e) {
return 0;
}
}
};

try {
// 浏览器类型(IE、Opera、Chrome、Safari、Firefox)
system.type = system.isIE ? 'IE' :
window.opera || (agent.indexOf('opr') > 0) ? 'Opera' :
(agent.indexOf('chrome') > 0) ? 'Chrome' :
//safari也提供了专门的判定方式
window.openDatabase ? 'Safari' :
(agent.indexOf('firefox') > 0) ? 'Firefox' :
'unknow';

// 版本号
system.version = (system.type === 'IE') ? system.ieVersion() :
(system.type === 'Firefox') ? agent.match(/firefox/([d.]+)/)[1] :
(system.type === 'Chrome') ? agent.match(/chrome/([d.]+)/)[1] :
(system.type === 'Opera') ? system.operaVersion() :
(system.type === 'Safari') ? agent.match(/version/([d.]+)/)[1] :
'0';

// 浏览器外壳
system.shell = function () {
if (agent.indexOf('edge') > 0) {
system.version = agent.match(/edge/([d.]+)/)[1] || system.version;
return 'Edge';
}
// 遨游浏览器
if (agent.indexOf('maxthon') > 0) {
system.version = agent.match(/maxthon/([d.]+)/)[1] || system.version;
return 'Maxthon';
}
// QQ浏览器
if (agent.indexOf('qqbrowser') > 0) {
system.version = agent.match(/qqbrowser/([d.]+)/)[1] || system.version;
return 'QQBrowser';
}
// 搜狗浏览器
if (agent.indexOf('se 2.x') > 0) {
return '搜狗浏览器';
}

// Chrome:也可以使用window.chrome && window.chrome.webstore判断
if (chrome && system.type !== 'Opera') {
let external = window.external;
let clientInfo = window.clientInformation;
// 客户端语言:zh-cn,zh.360下面会返回undefined
let clientLanguage = clientInfo.languages;

// 猎豹浏览器:或者agent.indexOf("lbbrowser")>0
if (external && 'LiebaoGetVersion' in external) {
return 'LBBrowser';
}
// 百度浏览器
if (agent.indexOf('bidubrowser') > 0) {
system.version = agent.match(/bidubrowser/([d.]+)/)[1] ||
agent.match(/chrome/([d.]+)/)[1];
return 'BaiDuBrowser';
}
// 360极速浏览器和360安全浏览器
if (system.supportSubTitle() && typeof clientLanguage === 'undefined') {
let storeKeyLen = Object.keys(chrome.webstore).length;
let v8Locale = 'v8Locale' in window;
return storeKeyLen > 1 ? '360极速浏览器' : '360安全浏览器';
}
return 'Chrome';
}
return system.type;
};

// 浏览器名称(如果是壳浏览器,则返回壳名称)
system.name = system.shell();
// 对版本号进行过滤过处理
// System.version = System.versionFilter(System.version);

} catch (e) {
// console.log(e.message);
}

return system;

})(window);

if (browser.name == undefined || browser.name == '') {
browser.name = 'Unknown';
browser.version = 'Unknown';
}
else if (browser.version == undefined) {
browser.version = 'Unknown';
}
return browser;
}

function fetchRetry(url, options = {}, times = 1, delay = 1000, checkStatus = true) {
return new Promise((resolve, reject) => {
// fetch 成功处理函数
function success(res) {
if (checkStatus && !res.ok) {
failure(res);
}
else {
resolve(res);
}
}

// 单次失败处理函数
function failure(error) {
times--;

if (times) {
setTimeout(fetchUrl, delay);
}
else {
reject(error);
}
}

// 总体失败处理函数
function finalHandler(error) {
throw error;
}

function fetchUrl() {
return fetch(url, options)
.then(success)
.catch(failure)
.catch(finalHandler);
}

fetchUrl();
});
}

// 下载指定url的资源
async function downloadUrl(url, name = (new Date()).valueOf() + '.mp4') {
let browser = getBrowerInfo();

// Greasemonkey 需要把 url 转为 blobUrl
if (GM_info.scriptHandler == 'Greasemonkey') {
let res = await fetchRetry(url);
let blob = await res.blob();
url = URL.createObjectURL(blob);
}

// Chrome 可以使用 Tampermonkey 的 GM_download 函数绕过 CSP(Content Security Policy) 的限制
if (window.GM_download) {
GM_download({url, name});
}
else {
// firefox 需要禁用 CSP, about:config -> security.csp.enable => false
let a = document.createElement('a');
a.href = url;
a.download = name;
// a.target = '_blank';
document.body.appendChild(a);
a.click();
document.body.removeChild(a);

setTimeout(function () {
URL.revokeObjectURL(url);
}, 100);
}
}

function humanSize(size) {
let n = Math.log(size) / Math.log(1024) | 0;
return (size / Math.pow(1024, n)).toFixed(0) + ' ' + (n ? 'KMGTPEZY'[--n] + 'B' : 'Bytes');
}

if (!player) return;

// 获取视频信息
const res = await fetchRetry(playlistBaseUrl + videoId, {
headers: {
'referer': 'refererBaseUrl + videoId',
'authorization': 'oauth c3cef7c66a1843f8b3a9e6a1e3160e20' // in zplayer.min.js of zhihu
}
}, 3);
const videoInfo = await res.json();

// 获取不同分辨率视频的信息
for (let [key, video] of Object.entries(videoInfo.playlist)) {
video.name = key;

if (!videos.find(v => v.width == video.width)) {
videos.push(video);
}
}

// 按分辨率大小排序
videos = videos.sort(function (v1, v2) {
return v1.width == v2.width ? 0 : (v1.width > v2.width ? 1 : -1);
}).reverse();

document.addEventListener('DOMNodeInserted', (evt) => {
let domControlBar = evt.relatedNode.querySelector(':scope > div:last-child > div:first-child');
if (!domControlBar || domControlBar.querySelector('.download')) return;

let domFullScreenBtn = domControlBar.querySelector(':scope > div:nth-last-of-type(1)');
let domResolutionBtn = domControlBar.querySelector(':scope > div:nth-last-of-type(3)');
let domDownloadBtn, defaultResolution, buttons;
if (!domFullScreenBtn || !domFullScreenBtn.querySelector('button')) return;

// 克隆分辨率菜单或全屏按钮为下载按钮
domDownloadBtn = (domResolutionBtn && (domResolutionBtn.className == domFullScreenBtn.className))
? domResolutionBtn.cloneNode(true)
: domFullScreenBtn.cloneNode(true);

defaultResolution = domDownloadBtn.querySelector('button').innerText;

// 生成下载按钮图标
domDownloadBtn.querySelector('button:first-child').outerHTML = domFullScreenBtn.cloneNode(true).querySelector('button').outerHTML;
domDownloadBtn.querySelector('svg').innerHTML = svgDownload;
domDownloadBtn.className = domDownloadBtn.className + ' download';

buttons = domDownloadBtn.querySelectorAll('button');

// button 元素添加对应的下载地址
buttons.forEach(dom => {
let video = videos.find(v => v.name == resolutionMap[dom.innerText || defaultResolution]);
video = video || videos[0];
dom.dataset.video = video.play_url;
if (dom.innerText) {
(dom.innerText = `${dom.innerText} (${humanSize(video.size)})`);
}
else if (buttons.length == 1) {
dom.nextSibling.querySelector('div').innerText = humanSize(video.size);
}
});

// 鼠标事件 - 显示菜单
domDownloadBtn.addEventListener('pointerenter', () => {
let domMenu = domDownloadBtn.querySelector('div:nth-of-type(1)');
if (domMenu) {
domMenu.style.cssText = menuStyle + 'opacity:1 !important; visibility:visible !important';
}
});

// 鼠标事件 - 隐藏菜单
domDownloadBtn.addEventListener('pointerleave', () => {
let domMenu = domDownloadBtn.querySelector('div:nth-of-type(1)');
if (domMenu) {
domMenu.style.cssText = menuStyle;
}
});

// 鼠标事件 - 选择菜单项
domDownloadBtn.addEventListener('pointerup', event => {
if (downloading) {
alert('当前正在执行下载任务，请等待任务完成。');
return;
}

let e = event.srcElement || event.target;

while (e.tagName != 'BUTTON') {
e = e.parentNode;
}

downloadUrl(e.dataset.video);
});

// 显示下载按钮
domControlBar.appendChild(domDownloadBtn);

});
})();

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原文地址：https://www.cnblogs.com/zhipeng-wang/p/14214460.html