DQ（v3.0.220723)网页加载速度优化 New
大家有没有发现一个问题：setTimeout(function() { var appid = ''; var channelname = window.location.hostname; if (!!window.navigator.userAgent.match(/AppleWebKit.*Mobile.*/)) { appid = '500D36509CE649E88446FB4E7A51B221'; // h5 } else { appid = '4F323A1D5F444BF69C7C4E10704AEA2F'; // pc } var url = 'http://sdk.talkingdata.com/app/h5/v1?appid=' + appid + '&vn=' + 'v3.0.220113' + '&vc=' + 'v3.0.220113' + '&td_channelid=' + channelname; if ( window.location.protocol.indexOf('https') != -1 ) { url = 'https://jic.talkingdata.com/app/h5/v1?appid=' + appid + '&vn=' + 'v3.0.220113' + '&vc=' + 'v3.0.220113' + '&td_channelid=' + channelname; } var talkingdata = document.createElement('script'); talkingdata.type = 'text/javascript'; talkingdata.async = true; talkingdata.src = url; document.getElementsByTagName('body').appendChild(talkingdata); window.sessionStorage.setItem('__TD_td_channel', window.location.hostname.replace(/./g, '_')); var tdjs = document.createElement('script'); tdjs.type = 'text/javascript'; tdjs.async = true; tdjs.src = 'https://jic.talkingdata.com/app/h5/v1?appid=750AEE91CF4446A19A2D12D5EE32F725'; document.getElementsByTagName('body').appendChild(tdjs); var dzqjs = document.createElement('script'); dzqjs.type = 'text/javascript'; dzqjs.async = true; dzqjs.src = '/js/dzq.js'; document.getElementsByTagName('body').appendChild(dzqjs); }, 2000);这个引用有153个，涉及文件78个
仔细阅读发现，这个function 是判断客户端的浏览器类型，以及针对不同浏览器创建不同的js文件
试想一下，如果离线或者网络不通情况下，是不是会延迟网络加载速度，虽然代码里写的是异步访问，但是随着时间的推移，网络后台缓存会不断尝试连接并报错！
不知道开发者当时的设计思路，为什么不调用本地的js呢？ 而且78个文件中都有这个调用，为什么不引用一个公共函数？
昨天我翻电脑，找到了官方最后一个版本的安装包，尝试修改了其中的js文件调用，现在只有上面代码中提到的2个链接，经过试验发现，正常安装，而且页面打开速度很快
刚刚尝试把代码中的js文件保存到本地，修改成本地调用后，现在打开首页速度稳定在0.05秒，可怕不？
对了还有一个大家不知道的代码：
img.src = "https://discuzq-0gxi1bn2969fa48d.service.tcloudbase.com/access?" + pt + "&dn=" + encodeURIComponent(window.location.hostname.replace(/\./g, "_"));这个是引用的图片，居然是一个点，每次开页面都回访问，不知道官方是统计访问次数还是？ 不得而知。
还是那句话，接触discuz已经10多年了，没有感情是不可能的，虽然DQ停止了维护，但是不能把摊子直接甩掉吧？ 很伤感情。 http://sdk.talkingdata.com/app/h5/v1?appid=4F323A1D5F444BF69C7C4E10704AEA2F&vn=v3.0.220113&vc=v3.0.220113&td_channelid=127.0.0.1http://sdk.talkingdata.com/app/h5/v1?appid=500D36509CE649E88446FB4E7A51B221&vn=v3.0.220113&vc=v3.0.220113&td_channelid=127.0.0.1访问上面这个地址会返回这个：
var appid = '500D36509CE649E88446FB4E7A51B221';var vn = 'v3.0.220113';var vc = 'v3.0.220113';var TDBaseUrl = 'http://sdk.talkingdata.com/app/h5/v1/websdk';var TDRequestUrl = 'http://h5data.talkingdata.net/app/v1';function createScriptTd(url) { var _head = document.getElementsByTagName('head'); var _script = document.createElement('script'); _script.type = 'text/javascript'; _script.src = url; _head.appendChild(_script)};createScriptTd(TDBaseUrl + '/js/sdk_release.js');if (!window['JSON'] || typeof JSON !== 'object') { createScriptTd(TDBaseUrl + '/js/json2.js')};window["TDAPP"] = {};window["TDAPP"].onEvent = function (id, label, params) { if (arguments.length > 0) { try { var opts = { count: 1, start: new Date().getTime() }; if (id != undefined) { opts["id"] = typeof id != "string" ? JSON.stringify(id) : id } if (label != undefined) { opts["label"] = typeof label != "string" ? JSON.stringify(label) : label } else { opts["label"] = "" } if (params != undefined) { var isJson = function (obj) { var isjson = typeof(obj) == "object" && Object.prototype.toString.call(obj).toLowerCase() == "" && !obj.length; return isjson }; if (isJson(params)) { opts["params"] = params } else { opts["params"] = { params: "" } } } var eventName = "__TD_td-init-event"; var ev = localStorage; if (ev) { var ca = JSON.parse(ev); ca.push(opts); localStorage.setItem(eventName, JSON.stringify(ca)); return }; localStorage.setItem(eventName, "[" + JSON.stringify(opts) + "]") } catch (e) {} }};
注意上述代码中会执行创建以下js文件：
TDRequestUrl=http://h5data.talkingdata.net/app/v1
TDBaseUrl=http://sdk.talkingdata.com/app/h5/v1/
http://sdk.talkingdata.com/app/h5/v1/websdk/js/sdk_release.js
http://sdk.talkingdata.com/app/h5/v1/websdk/js/js/json2.js
经过合并后会得到sdk_release.js， 那么是否可以在此处直接根据条件 引用本地js呢？
同理访问：
https://jic.talkingdata.com/app/h5/v1?appid=750AEE91CF4446A19A2D12D5EE32F725会返回：
var appid = '750AEE91CF4446A19A2D12D5EE32F725';var vn = '';var vc = '';var TDBaseUrl = 'https://jic.talkingdata.com/app/h5/v1/websdk';var TDRequestUrl = 'https://h5.udrig.com/app/v1';function createScriptTd(url) { var _head = document.getElementsByTagName('head'); var _script = document.createElement('script'); _script.type = 'text/javascript'; _script.src = url; _head.appendChild(_script)};createScriptTd(TDBaseUrl + '/js/sdk_release.js');if (!window['JSON'] || typeof JSON !== 'object') { createScriptTd(TDBaseUrl + '/js/json2.js')};window["TDAPP"] = {};window["TDAPP"].onEvent = function (id, label, params) { if (arguments.length > 0) { try { var opts = { count: 1, start: new Date().getTime() }; if (id != undefined) { opts["id"] = typeof id != "string" ? JSON.stringify(id) : id } if (label != undefined) { opts["label"] = typeof label != "string" ? JSON.stringify(label) : label } else { opts["label"] = "" } if (params != undefined) { var isJson = function (obj) { var isjson = typeof(obj) == "object" && Object.prototype.toString.call(obj).toLowerCase() == "" && !obj.length; return isjson }; if (isJson(params)) { opts["params"] = params } else { opts["params"] = { params: "" } } } var eventName = "__TD_td-init-event"; var ev = localStorage; if (ev) { var ca = JSON.parse(ev); ca.push(opts); localStorage.setItem(eventName, JSON.stringify(ca)); return }; localStorage.setItem(eventName, "[" + JSON.stringify(opts) + "]") } catch (e) {} }};
似乎和上面的代码一样，一个是http协议 一个是https协议
最终都是获取sdk_release.js 文件：
!function () { "use strict"; var _ = "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 }, c = function (c) { var d, u, a = 0, s = c.document, l = /^(?:text|application)\/javascript/i, p = /^(?:text|application)\/xml/i, f = "application/json", g = "text/html", m = /^\s*$/, v = function e(t) { var o = A({}, t || {}); for (d in e.settings) void 0 === o && (o = e.settings); (n = o).global && 0 == v.active++ && S(n), o.crossDomain || (o.crossDomain = /^([\w-]+:)?\/\/([^\/]+)/.test(o.url) && RegExp.$2 != c.location.host); var r = o.dataType, t = /=\?/.test(o.url); if ("jsonp" == r || t) return t || (o.url = P(o.url, "callback=?")), e.JSONP(o); o.url || (o.url = c.location.toString()), D(o); var i, n = o.accepts, t = {}, a = /^([\w-]+:)\/\//.test(o.url) ? RegExp.$1 : c.location.protocol, s = e.settings.xhr(); o.crossDomain || (t["X-Requested-With"] = "XMLHttpRequest"), n && (-1 < (t.Accept = n).indexOf(",") && (n = n.split(",", 2)), s.overrideMimeType && s.overrideMimeType(n)), (o.contentType || o.data && "GET" != o.type.toUpperCase()) && (t["Content-Type"] = o.contentType || "application/x-www-form-urlencoded"), o.headers = A(t, o.headers || {}), s.onreadystatechange = function () { if (4 == s.readyState) { clearTimeout(i); var e, t = !1; if (200 <= s.status && s.status < 300 || 304 == s.status || 0 == s.status && "file:" == a) { r = r || ((n = s.getResponseHeader("content-type")) && (n == g ? "html" : n == f ? "json" : l.test(n) ? "script" : p.test(n) && "xml") || "text"), e = s.responseText; try { "script" == r ? (0, eval)(e) : "xml" == r ? e = s.responseXML : "json" == r && (e = m.test(e) ? null : JSON.parse(e)) } catch (e) { t = e } t ? y(t, "parsererror", s, o) : T(e, s, o) } else y(null, "error", s, o) } var n }; t = !("async" in o) || o.async; for (u in s.open(o.type, o.url, t), o.headers) s.setRequestHeader(u, o.headers); return !1 === function (e, t) { var n = t.context; if (!1 === t.beforeSend.call(n, e, t) || !1 === S(t)) return !1; S(t) } (s, o) ? (s.abort(), !1) : (0 < o.timeout && (i = setTimeout(function () { s.onreadystatechange = w, s.abort(), y(null, "timeout", s, o) }, o.timeout)), s.send(o.data || null), s) }; function S(e) { if (e.global) return !0 } function T(e, t, n) { var o = n.context, r = "success"; n.success.call(o, e, r, t), S(n), h(r, t, n) } function y(e, t, n, o) { var r = o.context; o.error.call(r, n, t, e), S(o), h(t, n, o) } function h(e, t, n) { var o = n.context; n.complete.call(o, t, e), S(n), (n = n).global && !--v.active && S(n) } function w() {} function P(e, t) { return (e + "&" + t).replace(/[&?]{1,2}/, "?") } function D(e) { var t, n, o; "object" === _(e.data) && (e.data = (t = e.data, (o = []).add = function (e, t) { this.push(r(e) + "=" + r(t)) }, function e(t, n, o, r) { var i = "array" == typeof n; for (var a in n) { var s = n; r && (a = o ? r : r + "[" + (i ? "" : a) + "]"), !r && i ? t.add(s.name, s.value) : (o ? "array" == typeof s : "object" === (void 0 === s ? 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(d = new Date).setTime(d.getTime() + 24 * n.expires * 60 * 60 * 1e3) : d = n.expires, s = "; expires=" + d.toUTCString()); var c = n.path ? "; path=" + n.path : "", d = n.domain ? "; domain=" + n.domain : "", n = n.secure ? "; secure" : ""; document.cookie = .join("") } l.localStorage = { add: function (e, t) { this.addLocalStorage(e, t), "sessionId" != e && this.addCookie(e, t) }, get: function (e) { var t = this.getLocalStorage(e); return t || this._getCookie(e) }, create: function () { t("__TD_LOCAL") || (this._addCookie(""), window.localStorage) }, addCookie: function (e, t) { if (!window.localStorage) { this.create(); var n = this.cookieList(); n = t; var o, r = []; for (o in n) r.push(o + "=" + n); this._addCookie(r.join(";")) } }, _setCookie: function () { this.cookieList(); t("__TD_LOCAL", "", { expires: 1095, path: "/", domain: location.hostname }) }, _addCookie: function (e) { t("__TD_LOCAL", e, { expires: 1095, path: "/", domain: location.hostname }) }, _getCookie: function (e) { var t = this.cookieList(); if (t && t) return t }, delCookie: function (e) {}, cookieList: function () { var e = t("__TD_LOCAL"); return this.format(e) }, addLocalStorage: function (e, t) { window.localStorage && ("sessionId" == e && window.sessionStorage ? sessionStorage.setItem("__TD_" + e, t) : localStorage["__TD_" + e] = t) }, delLocalStorage: function (e) { window.localStorage && localStorage.removeItem("__TD_" + e) }, getLocalStorage: function (e) { if (window.localStorage) return "sessionId" == e && window.sessionStorage ? sessionStorage.getItem("__TD_" + e) : localStorage["__TD_" + e] }, format: function (e) { var t = {}; if (!e) return t; for (var n = e.split(";"), o = n.length, r = 0; r < o; r++) { var i = n.split("="); 2 == i.length && (t] = i) } return t } }, l.sessionStorage = { add: function (e, t) { window.sessionStorage && sessionStorage.setItem("__TD_" + e, t) }, get: function (e) { return sessionStorage.getItem("__TD_" + e) }, remove: function (e) { sessionStorage.removeItem("__TD_" + e) } }; var d, i, a, f, n, g = !0, m = !1; function v() { this.url = TDRequestUrl, this.opts = {}, this.requestArray = new Array } v.prototype = { getAjax: function (o, r, i, a, s) { (function (e) { var t, n; 0 < navigator.userAgent.indexOf("MSIE 9.0") ? "MSIE6.0" == (t = navigator.appVersion.split(";").replace(/[ ]/g, "")) || "MSIE7.0" == t ? alert("no support IE6,IE7") : window.XDomainRequest && ((n = new XDomainRequest) ? (e.error && "function" == typeof e.error && (n.onerror = function () { e.error() }), e.timeout && "function" == typeof e.timeout && (n.ontimeout = function () { e.timeout() }), e.success && "function" == typeof e.success && (n.onload = function () { e.dataType ? "json" == e.dataType.toLowerCase() && e.success(JSON.parse(n.responseText)) : e.success(n.responseText) }), n.open(e.type, e.url), n.send(e.param)) : alert("Failed to create XDomainRequest")) : g ? (S.add("td-unique", "true"), g = !1, d = c.ajax({ type: o, url: r, data: JSON.stringify(i), dataType: "text", success: a, error: s, complete: function () { g = !(d = void 0), m && (T.getAjax(), m = !1), S.delLocalStorage("td-unique") } })) : m = !0 })({ url: this.url, type: "POST", param: JSON.stringify(i), success: a }) }, set: function (e, t, n) { this.opts = e, this.send(t, n) }, send: function (e, t) { this.getAjax("post", this.url, this.opts, e, t) } }, (i = window).TDBASE = i.TDBASE || {}, TDBASE.cacheName = "cacheList", TDBASE.unique = function (e) { e.sort(); for (var t = ], n = 1; n < e.length; n++) e !== t && t.push(e); return t }, TDBASE.getArgs = function () { for (var e = new Object, t = i.location.search.substring(1).split("&"), n = 0; n < t.length; n++) { var o, r = t.indexOf("="); -1 != r && (o = t.substring(0, r), r = t.substring(r + 1), r = decodeURIComponent(r), e = r) } return e }, TDBASE.getCommon = function (e) { var t = S.get("appkey") ? 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"undefined" : _(t))) return !1; if (_(e.length) != _(t.length)) return !1; var n = !0, o = [], r = []; for (i in e) "count" === i || "start" === i || o.push(i); for (i in t) "count" === i || "start" === i || r.push(i); if (o.length != r.length) return !1; for (var i = 0, a = r.length; i < a; i++) o.push(r); for (var s = TDBASE.unique(o), i = 0, a = s.length; i < a; i++) { if (!(sin e && sin t)) return !1; if ("object" == _(e]) && "object" == _(t])) n = TDBASE.equal(e], t]); else if (e] !== t]) return !1 } return n }, TDBASE.addGenre = function (e, t, n) { if (S.get("sessionMsg")) { n && n(e); var n = JSON.parse(S.get("sessionMsg")), o = n.msg.data; if ("events" !== t) o.push(e), S.add("sessionMsg", JSON.stringify(n)); else { if (0 != o.length) { for (var r = !1, i = 0; i < o.length; i++) if (TDBASE.equal(o, e)) { r = !0, o.count += 1, o.start = e.start; break } r || o.push(e) } else o.push(e); S.add("sessionMsg", JSON.stringify(n)) } } }, TDBASE.lealSet = function (e) { S.add("leavetime", e), S.add("leaveSession", parseInt((e - s.get("SessionStart")) / 1e3)) }, TDBASE.addMsg = function (e) { var t; S.get("sessionMsg") ? ((t = JSON.parse(S.get("sessionMsg"))).msg.push(e), S.add("sessionMsg", JSON.stringify(t))) : S.add("sessionMsg", JSON.stringify({ msg: })) }, (a = { currentPage: null, pageStartTime: 0, ref: "", logoutCalled: !1, init: function () { e(window, "pagehide", a.pageLogout), e(window, "beforeunload", a.pageLogout), window.TDAPP = window.TDAPP || {}, window.TDAPP.onPage = a.onPage, l.autoTrack && (a.currentPage = window.location.href, a.ref = document.referrer) }, onPage: function (e) { var t = (new Date).getTime(); a.pageLogout("force"), a.pageEnter(e, a.currentPage, t), a.ref = a.currentPage, a.currentPage = e, a.pageStartTime = t, T.getAjax() }, pageEnter: function (e, t, n) { t = { name: e, start: n, duration: 0, refer: t || document.referrer }; TDBASE.addGenre(t, "pages") }, pageLogout: function (e) { if ("force" !== e) { if (a.logoutCalled) return; a.logoutCalled = !0 } var t = null, n = 0, o = null; if (l.autoTrack) t = a.currentPage || window.location.href, n = a.pageStartTime || p, o = a.ref || document.referrer; else { if (!a.currentPage) return; t = a.currentPage, n = a.pageStartTime, o = a.ref || document.referrer } e = (new Date).getTime(); TDBASE.lealSet(e), TDBASE.addGenre({ name: t, start: n, duration: Math.ceil((e - n) / 1e3), refer: o }, "pages") } }).init(), f = { init: function () { try { var e = l.localStorage.get("profile"); e && (e = JSON.parse(e), e = f._transform(e), u.appContext = u.appContext || {}, u.appContext.account = e) } catch (e) { console.error(e) } }, _transform: function (e) { e = JSON.parse(JSON.stringify(e)); return e.accountId = e.profileId, e.type = e.profileType, delete e.profileType, delete e.profileId, e }, _transformInverse: function (e) { e = JSON.parse(JSON.stringify(e)); return e.profileId = e.accountId, e.profileType = e.type, delete e.type, delete e.accountId, e }, login: function (e) { f._event(e, "login") }, register: function (e) { f._event(e, "register") }, updateProfile: function (e) { f._event(e, "update") }, _chekProfile: function () { return "object" === _(u.appContext) && "object" === _(u.appContext.account) ? u.appContext.account : null }, _event: function (e, t) { if (!e || "object" !== (void 0 === e ? "undefined" : _(e))) return console.log("profile信息必填!"); if ("update" !== t && !e.profileId && !/0{1}/.test(e.profileId)) return console.log("profileId 信息为必填!"); if ("update" !== t && "number" != typeof e.profileType) return console.log("profileType 为必填!"); var n, o = f._getProfile(e, t), r = { profileId: "_setId", profileType: "_setProfileType", name: "_setName", gender: "_setGender", age: "_setAge" }, i = new RegExp("^property$"); for (n in e) { var a, s = e, c = r; if (!c || "update" === t && "profileId" === n) { if (i.test(n) || "property10" === n) if (a = f._setProperty(o, n, s)) return void console.log(a) } else if (a = f(o, s)) return void console.log(a) } u.appContext = u.appContext || {}, u.appContext.account = o; var d = f._transformInverse(o); l.localStorage.add("profile", JSON.stringify(d)), o = f._transform(o), d = f._transform(e), y.setProfile(d, t) }, _getProfile: function (e, t) { var n = {}; return u.appContext && u.appContext.account && (n = JSON.parse(JSON.stringify(u.appContext.account))), "update" == t || e.profileId === n.accountId ? n : {} }, _setId: function (e, t) { if (!t && !/0{1}/.test(t)) return "profileId为必填字段！"; e.accountId = t }, _setProfileType: function (e, t) { if ("number" != typeof t || t != t || t < -1 || 6 < t && t < 11 || 20 < t) return "请上传正确的profileType"; e.type = t }, _setName: function (e, t) { if ("string" != typeof t) return "profile name 类型错误"; e.name = t }, _setAge: function (e, t) { if ("number" != typeof t || t != t) return "profile age 类型错误"; e.age = t }, _setGender: function (e, t) { if (0 !== t && 1 !== t & 2 !== t) return "profile gender 类型错误"; e.gender = t }, _setProperty: function (e, t, n) { if ("number" == typeof n && n != n || "string" != typeof n && "number" != typeof n) return "profile property 类型错误"; e = n } }, window.TDAPP = window.TDAPP || {}, window.TDAPP.login = f.login, window.TDAPP.register = f.register, window.TDAPP.updateProfile = f.updateProfile, window.TDAPP.ProfileType = { 0: "ANONYMOUS", 1: "REGISTERED", 2: "SINA_WEIBO", 3: "QQ", 4: "QQ_WEIBO", 5: "ND91", 6: "WEIXIN", 11: "TYPE1", 12: "TYPE2", 13: "TYPE3", 14: "TYPE4", 15: "TYPE5", 16: "TYPE6", 17: "TYPE7", 18: "TYPE8", 19: "TYPE9", 20: "TYPE10" }, f.init(), n = { isObject: function (e) { return e && "object" === (void 0 === e ? "undefined" : _(e)) }, isStrNotEmpty: function (e) { return e || /0{1}/.test(e) }, isNumber: function (e) { return "number" == typeof e && e == e }, isCurrencyTypeAvailabal: function (e) { return e && "string" == typeof e && 3 === e.length }, _checkParam: function (e) { return n.isObject(e) ? n.isStrNotEmpty(e.orderId) ? n.isNumber(e.amount) ? !!n.isCurrencyTypeAvailabal(e.currencyType) || (console.warn("请输入正确的currencyType!"), !1) : (console.warn("请输入正确的amount!"), !1) : (console.warn("请输入正确的orderId!"), !1) : (console.warn("请输入正确的参数!"), !1) }, onPlaceOrder: function (e) { n._checkParam(e) && (e = { count: 1, start: (new Date).getTime(), domain: "iap", id: "placeOrder", params: e }, y._saveAndFetch(e)) }, onOrderPaySucc: function (e) { n._checkParam(e) && ((e = JSON.parse(JSON.stringify(e))).paymentType && n.isStrNotEmpty(e.paymentType) && (e.payType = e.paymentType), delete e.paymentType, e = { count: 1, start: (new Date).getTime(), domain: "iap", id: "pay", params: e }, y._saveAndFetch(e)) }, onCancelOrder: function (e) { n._checkParam(e) && (e = { count: 1, start: (new Date).getTime(), domain: "iap", id: "cancelOrder", params: e }, y._saveAndFetch(e)) } }, window.TDAPP = window.TDAPP || {}, window.TDAPP.onPlaceOrder = n.onPlaceOrder, window.TDAPP.onOrderPaySucc = n.onOrderPaySucc, window.TDAPP.onCancelOrder = n.onCancelOrder; var S = l.localStorage, s = l.sessionStorage, T = { timedif: void 0, state: 1, deviceId: 0, sessionId: 0, local: [], sendInit: 0, set: function () { try { this.setDeviceId(), this.setSession(), this.setSessionTime(), this.setInitTime(), this.setPartner(), this.setResolution(), this.addlastSession(), this.setPageEnter(), this.getAjax(1) } catch (e) { console.log(e) } }, setDeviceId: function () { if (S.get("deviceId")) this.deviceId = S.get("deviceId"); else { this.sendInit = 1; for (var e = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ".split(""), t = [], n = e.length, o = 0; o < 16; o++) t = e; this.deviceId = t.join(""), S.add("deviceId", this.deviceId) } u.deviceId = this.deviceId }, setSession: function () { var e, t; if (s.get("sessionId") && S.get("appkey") == u.appkey ? t = s.get("sessionId") : (e = (new Date).getTime(), t = -1 < this.deviceId.indexOf("-") ? this.deviceId.split("-") + e : this.deviceId + e, this.sendInit = 0 == this.sendInit ? 2 : this.sendInit, s.add("sessionId", t)), 0 < 32 - t.length) for (var n = 0, o = 32 - t.length; n < o; n++) t += "0"; 32 - t.length < 0 && (t = t.substring(0, 32)), r.data.id = this.sessionId = t }, setSessionTime: function () { var e = (new Date).getTime(); s.get("SessionStart") && S.get("appkey") == u.appkey ? e = s.get("SessionStart") : s.add("SessionStart", e), r.data.start = parseInt(e) }, setInitTime: function () { S.get("initTime") ? u.appProfile.initTime = parseInt(S.get("initTime")) : (u.appProfile.initTime = p, S.add("initTime", p)) }, setPartner: function () { var e = s.get("td_channel"), t = TDBASE.getArgs().td_channelid; e ? u.appProfile.partner = e : null != t && (s.add("td_channel", t), u.appProfile.partner = t) }, setResolution: function () { var e = ; window.devicePixelRatio && e.push(window.devicePixelRatio), u.deviceProfile.pixel = e.join("*") }, addlastSession: function () { var e = S.get("lastSession"); void 0 === e && (S.delLocalStorage("sessionMsg"), S.delLocalStorage("lastSession")), e ? (e = JSON.parse(e)).id != r.data.id && (e = TDBASE.getCommonMsg(e.id, e.start, 3, parseInt(S.get("leaveSession"))), TDBASE.addMsg(e), this.timedif = parseInt((r.data.start - S.get("leavetime")) / 1e3), S.get("appkey") && S.get("appkey") != u.appkey || (TDBASE.addSessionStart(this.timedif, 1), this.addAppInitEvent())) : (TDBASE.addSessionStart(0, 1), this.addAppInitEvent()) }, setPageEnter: function () { var e; l.autoTrack && (e = { name: window.location.href, start: (new Date).getTime(), duration: 0, refer: document.referrer }, TDBASE.addGenre(e, "pages")) }, addAppInitEvent: function () { var e; 0 != this.sendInit && (e = { id: "init", domain: "app", start: p || (new Date).getTime(), count: 1, params: { first: !0 } }, 2 == this.sendInit && (e.params.first = !1), TDBASE.addGenre(e, "events")) }, getAjax: function (e) { var t = this, n = new v; localStorage.__TD_sessionMsg || TDBASE.addSessionStart(0, 2); var o, r = JSON.parse(S.get("sessionMsg")), i = TDBASE.getCommon(r), a = localStorage["__TD_td-init-event"]; !a || (o = i.msgs) && (r = o.data.events, o.data.events = r.concat(JSON.parse(a))), S.delLocalStorage("td-init-event"); for (var s = [], c = 0; c < i.msgs.length; c++) { var d = i.msgs; (2 !== d.data.status || d.data.pages && 0 !== d.data.pages.length || d.data.events && 0 !== d.data.events.length) && s.push(d) } 0 !== s.length && (i.msgs = s, S.get("appkey") ? S.get("appkey") != u.appkey ? n.set(i, function (e) { S.delLocalStorage("sessionMsg"), u.appProfile.initTime = p, S.add("initTime", p), TDBASE.addSessionStart(0, 1), t.addAppInitEvent(), t.getAjax() }, function (e) { console.log(e) }) : n.set(i, function (e) { S.delLocalStorage("sessionMsg"), TDBASE.addSessionStart(0, 2) }, function (e) { console.log(e) }) : n.set(i, function (e) { S.delLocalStorage("sessionMsg"), TDBASE.addSessionStart(0, 2) }, function (e) { console.log(e) }), S.add("appkey", u.appkey)) } }; T.set(); var y = { set: function (e, t, n, o) { var r; if (e || /0{1}/.test(e)) { if (0 < arguments.length) try { var i = { count: 1, start: (new Date).getTime() }; if (null != e && (i.id = "string" != typeof e ? JSON.stringify(e) : e), i.label = null != t ? "string" != typeof t ? JSON.stringify(t) : t : "", null != n && ("object" != (void 0 === (r = n) ? "undefined" : _(r)) || "" != Object.prototype.toString.call(r).toLowerCase() || r.length || (i.params = n)), o && "smart" === o) i.type = "smart"; else if (void 0 !== o) { if ("number" != typeof o || isNaN(o)) return void console.error("value只能为number"); i.value = o } y._saveAndFetch(i) } catch (e) {} } else console.warn("eventId为必填字段！") }, setProfile: function (e, t) { e = { count: 1, start: (new Date).getTime(), domain: "account", id: t, params: e }; y._saveAndFetch(e) }, _saveAndFetch: function (e) { d ? TDBASE.addGenre(e, "events", function (e) { var t = S.get("td-hold-event"), n = []; if (n.push(e), t) { t = JSON.parse(t); for (var o = 0; o < t.length; o++) if (TDBASE.equal(t, e)) { t.count += 1, t.start = e.start; break } S.add("td-hold-event", JSON.stringify(t)) } else S.add("td-hold-event", JSON.stringify(n)) }) : (TDBASE.addGenre(e, "events"), setTimeout(function () { T.getAjax() }, 500)) }, unload: function () { try { T.getAjax() } catch (e) {} } }; window.TDAPP = window.TDAPP || {}, window.TDAPP.onEvent = y.set}();
如果把引用改为访问本地的两个js文件，是不是速度会快很多很多？
试验发现，验证了猜想。
其实原版的DQ3 还有很多js文件调用，统统改为本地文件，不管网络问题还是离线问题，而且首页和编辑器很快可以代开。
这里班门弄斧了，DQ 需要优化的地方太多了，DQ的初衷是为了配合腾讯云的产品吧，所以一切都需要联网，我还停留在discuz那种思维中，这里犯了错误。
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